scalation.linalgebra_gen

SymTriMatrixN

class SymTriMatrixN[T] extends Matrix[T] with Error with Serializable

The SymTriMatrixN class stores and operates on symmetric tridiagonal matrices. The elements are of type of T. A matrix is stored as two vectors: the diagonal vector and the sub-diagonal vector.

Linear Supertypes
Serializable, Serializable, Matrix[T], Error, AnyRef, Any
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  1. SymTriMatrixN
  2. Serializable
  3. Serializable
  4. Matrix
  5. Error
  6. AnyRef
  7. Any
Visibility
  1. Public
  2. All

Instance Constructors

  1. new SymTriMatrixN(b: Matrix[T])(implicit arg0: ClassManifest[T], arg1: Numeric[T])

    Construct a symmetric tridiagonal matrix from the given matrix.

    Construct a symmetric tridiagonal matrix from the given matrix.

    b

    the matrix of values to assign

  2. new SymTriMatrixN(v1: VectorN[T], v2: VectorN[T])(implicit arg0: ClassManifest[T], arg1: Numeric[T])

    Construct a symmetric tridiagonal matrix with the given diagonal and sub-diagonal.

    Construct a symmetric tridiagonal matrix with the given diagonal and sub-diagonal.

    v1

    the diagonal vector

    v2

    the sub-diagonal vector

  3. new SymTriMatrixN(d1: Int)(implicit arg0: ClassManifest[T], arg1: Numeric[T])

    d1

    the first/row dimension (symmetric => d2 = d1)

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. def *(x: T): SymTriMatrixN[T]

    Multiply this matrix by scalar x.

    Multiply this matrix by scalar x.

    x

    the scalar to multiply by

    Definition Classes
    SymTriMatrixNMatrix
  5. def *(u: VectorN[T]): VectorN[T]

    Multiply this matrix by vector u.

    Multiply this matrix by vector u.

    u

    the vector to multiply by

    Definition Classes
    SymTriMatrixNMatrix
  6. def *(b: SymTriMatrixN[T]): MatrixN[T]

    Multiply this matrix by matrix b.

    Multiply this matrix by matrix b. Requires b to have type SymTriMatrixN [T], but returns a more general type of matrix.

    b

    the matrix to multiply by

  7. def *(b: Matrix[T]): SymTriMatrixN[T]

    Multiply this matrix by matrix b.

    Multiply this matrix by matrix b.

    b

    the matrix to multiply by

  8. def **(u: VectorN[T]): SymTriMatrixN[T]

    Multiply this matrix by vector u to produce another matrix (a_ij * u_j)

    Multiply this matrix by vector u to produce another matrix (a_ij * u_j)

    u

    the vector to multiply by

    Definition Classes
    SymTriMatrixNMatrix
  9. def **=(u: VectorN[T]): SymTriMatrixN[T]

    Multiply in-place this matrix by vector u to produce another matrix (a_ij * u_j)

    Multiply in-place this matrix by vector u to produce another matrix (a_ij * u_j)

    u

    the vector to multiply by

    Definition Classes
    SymTriMatrixNMatrix
  10. def *=(x: T): SymTriMatrixN[T]

    Multiply in-place this matrix by scalar x.

    Multiply in-place this matrix by scalar x.

    x

    the scalar to multiply by

    Definition Classes
    SymTriMatrixNMatrix
  11. def *=(b: Matrix[T]): SymTriMatrixN[T]

    Multiply in-place this matrix by matrix b

    Multiply in-place this matrix by matrix b

    b

    the matrix to multiply by

  12. def +(x: T): SymTriMatrixN[T]

    Add this matrix and scalar x.

    Add this matrix and scalar x.

    x

    the scalar to add

    Definition Classes
    SymTriMatrixNMatrix
  13. def +(b: Matrix[T]): SymTriMatrixN[T]

    Add this matrix and matrix b.

    Add this matrix and matrix b.

    b

    the matrix to add (requires leDimensions)

  14. def ++(u: VectorN[T]): SymTriMatrixN[T]

    Concatenate this matrix and vector u.

    Concatenate this matrix and vector u.

    u

    the vector to be concatenated as the new last row in matrix

    Definition Classes
    SymTriMatrixNMatrix
  15. def +=(x: T): SymTriMatrixN[T]

    Add in-place this matrix and scalar x.

    Add in-place this matrix and scalar x.

    x

    the scalar to add

    Definition Classes
    SymTriMatrixNMatrix
  16. def +=(b: Matrix[T]): SymTriMatrixN[T]

    Add in-place this matrix and matrix b.

    Add in-place this matrix and matrix b.

    b

    the matrix to add (requires leDimensions)

  17. def -(x: T): SymTriMatrixN[T]

    From this matrix subtract scalar x.

    From this matrix subtract scalar x.

    x

    the scalar to subtract

    Definition Classes
    SymTriMatrixNMatrix
  18. def -(b: Matrix[T]): SymTriMatrixN[T]

    From this matrix subtract matrix b.

    From this matrix subtract matrix b.

    b

    the matrix to subtract (requires leDimensions)

  19. def -=(x: T): SymTriMatrixN[T]

    From this matrix subtract in-place scalar x.

    From this matrix subtract in-place scalar x.

    x

    the scalar to subtract

    Definition Classes
    SymTriMatrixNMatrix
  20. def -=(b: Matrix[T]): SymTriMatrixN[T]

    From this matrix subtract in-place matrix b.

    From this matrix subtract in-place matrix b.

    b

    the matrix to subtract (requires leDimensions)

  21. def /(x: T)(implicit fr: Fractional[T]): SymTriMatrixN[T]

    Divide this matrix by scalar x.

    Divide this matrix by scalar x.

    x

    the scalar to divide by

    Definition Classes
    SymTriMatrixNMatrix
  22. def /=(x: T)(implicit fr: Fractional[T]): SymTriMatrixN[T]

    Divide in-place this matrix by scalar x.

    Divide in-place this matrix by scalar x.

    x

    the scalar to divide by

    Definition Classes
    SymTriMatrixNMatrix
  23. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  24. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  25. val _0: T

    Numeric zero (0)

  26. val _1: T

    Numeric one (1)

  27. val _1n: T

    Numeric minus one (-1)

  28. def apply(i: Int, jr: Range): VectorN[T]

    Get a slice this matrix row-wise at index i and column-wise on range jr.

    Get a slice this matrix row-wise at index i and column-wise on range jr. Ex: u = a(2, 3..5)

    i

    the row index

    jr

    the column range

    Definition Classes
    SymTriMatrixNMatrix
  29. def apply(ir: Range, j: Int): VectorN[T]

    Get a slice this matrix row-wise on range ir and column-wise at index j.

    Get a slice this matrix row-wise on range ir and column-wise at index j. Ex: u = a(2..4, 3)

    ir

    the row range

    j

    the column index

    Definition Classes
    SymTriMatrixNMatrix
  30. def apply(ir: Range, jr: Range): SymTriMatrixN[T]

    Get a slice this matrix row-wise on range ir and column-wise on range jr.

    Get a slice this matrix row-wise on range ir and column-wise on range jr. Ex: b = a(2..4, 3..5)

    ir

    the row range

    jr

    the column range

    Definition Classes
    SymTriMatrixNMatrix
  31. def apply(i: Int): VectorN[T]

    Get this matrix's vector at the i-th index position (i-th row).

    Get this matrix's vector at the i-th index position (i-th row).

    i

    the row index

    Definition Classes
    SymTriMatrixNMatrix
  32. def apply(i: Int, j: Int): T

    Get this matrix's element at the i,j-th index position.

    Get this matrix's element at the i,j-th index position.

    i

    the row index

    j

    the column index

    Definition Classes
    SymTriMatrixNMatrix
  33. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  34. def at(i: Int, j: Int): T

    Get this matrix's element at the i,j-th index position, returning 0.

    Get this matrix's element at the i,j-th index position, returning 0. if off tridiagonal.

    i

    the row index

    j

    the column index

  35. def clean(thres: T, relative: Boolean = true)(implicit fr: Fractional[T]): SymTriMatrixN[T]

    Clean values in matrix at or below the threshold by setting them to zero.

    Clean values in matrix at or below the threshold by setting them to zero. Iterative algorithms give approximate values and if very close to zero, may throw off other calculations, e.g., in computing eigenvectors.

    thres

    the cutoff threshold (a small value)

    relative

    whether to use relative or absolute cutoff

    Definition Classes
    SymTriMatrixNMatrix
  36. def clone(): AnyRef

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  37. def col(col: Int, from: Int = 0): VectorN[T]

    Get column 'col' from the matrix, returning it as a vector.

    Get column 'col' from the matrix, returning it as a vector.

    col

    the column to extract from the matrix

    from

    the position to start extracting from

    Definition Classes
    SymTriMatrixNMatrix
  38. val d1: Int

    the first/row dimension (symmetric => d2 = d1)

  39. def det: T

    Compute the determinant of this matrix.

    Compute the determinant of this matrix.

    Definition Classes
    SymTriMatrixNMatrix
  40. def dg: VectorN[T]

    Get the diagonal of the matrix.

  41. def dg_(v: VectorN[T]): Unit

    Set the diagonal of the matrix.

    Set the diagonal of the matrix.

    v

    the vector to assign to the diagonal

  42. def diag(p: Int, q: Int): SymTriMatrixN[T]

    Form a matrix [Ip, this, Iq] where Ir is a r by r identity matrix, by positioning the three matrices Ip, this and Iq along the diagonal.

    Form a matrix [Ip, this, Iq] where Ir is a r by r identity matrix, by positioning the three matrices Ip, this and Iq along the diagonal.

    p

    the size of identity matrix Ip

    q

    the size of identity matrix Iq

    Definition Classes
    SymTriMatrixNMatrix
  43. def diag(b: Matrix[T]): SymTriMatrixN[T]

  44. lazy val dim1: Int

    Dimension 1

    Dimension 1

    Definition Classes
    SymTriMatrixNMatrix
  45. lazy val dim2: Int

    Dimension 2

    Dimension 2

    Definition Classes
    SymTriMatrixNMatrix
  46. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  47. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  48. def finalize(): Unit

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  49. def flaw(method: String, message: String): Unit

    Show the flaw by printing the error message.

    Show the flaw by printing the error message.

    method

    the method where the error occurred

    message

    the error message

    Definition Classes
    Error
  50. def foreach[U](f: (Array[T]) ⇒ U): Unit

    Iterate over the matrix row by row.

    Iterate over the matrix row by row.

    f

    the function to apply

    Definition Classes
    Matrix
  51. final def getClass(): java.lang.Class[_]

    Definition Classes
    AnyRef → Any
  52. def getDiag(k: Int = 0): VectorN[T]

    Get the kth diagonal of this matrix.

    Get the kth diagonal of this matrix. Assumes dim2 >= dim1.

    k

    how far above the main diagonal, e.g., (-1, 0, 1) for (sub, main, super)

    Definition Classes
    SymTriMatrixNMatrix
  53. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  54. def inverse(implicit fr: Fractional[T]): SymTriMatrixN[T]

    Invert this matrix (requires a squareMatrix) using partial pivoting.

    Invert this matrix (requires a squareMatrix) using partial pivoting.

    Definition Classes
    SymTriMatrixNMatrix
  55. def inverse_ip(implicit fr: Fractional[T]): SymTriMatrixN[T]

    Invert in-place this matrix (requires a squareMatrix) using partial pivoting.

    Invert in-place this matrix (requires a squareMatrix) using partial pivoting.

    Definition Classes
    SymTriMatrixNMatrix
  56. def inverse_npp(implicit fr: Fractional[T]): SymTriMatrixN[T]

    Invert this matrix (requires a squareMatrix) not using partial pivoting.

    Invert this matrix (requires a squareMatrix) not using partial pivoting.

    Definition Classes
    SymTriMatrixNMatrix
  57. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  58. def isNonnegative: Boolean

    Check whether this matrix is nonnegative (has no negative elements).

    Check whether this matrix is nonnegative (has no negative elements).

    Definition Classes
    SymTriMatrixNMatrix
  59. def isRectangular: Boolean

    Check whether this matrix is rectangular (all rows have the same number of columns).

    Check whether this matrix is rectangular (all rows have the same number of columns).

    Definition Classes
    SymTriMatrixNMatrix
  60. def isSquare: Boolean

    Check whether this matrix is square (same row and column dimensions).

    Check whether this matrix is square (same row and column dimensions).

    Definition Classes
    Matrix
  61. def isSymmetric: Boolean

    Check whether this matrix is symmetric.

    Check whether this matrix is symmetric.

    Definition Classes
    Matrix
  62. def leDimensions(b: Matrix[T]): Boolean

    Check whether this matrix dimensions are less than or equal to (le) those of the other Matrix.

    Check whether this matrix dimensions are less than or equal to (le) those of the other Matrix.

    b

    the other matrix

    Definition Classes
    Matrix
  63. def lud(implicit fr: Fractional[T]): (Matrix[T], Matrix[T])

    Decompose this matrix into the product of lower and upper triangular matrices (l, u) using the LU Decomposition algorithm.

    Decompose this matrix into the product of lower and upper triangular matrices (l, u) using the LU Decomposition algorithm. This version uses partial pivoting.

    Definition Classes
    SymTriMatrixNMatrix
  64. def lud_ip(implicit fr: Fractional[T]): (Matrix[T], Matrix[T])

    Decompose in-place this matrix into the product of lower and upper triangular matrices (l, u) using the LU Decomposition algorithm.

    Decompose in-place this matrix into the product of lower and upper triangular matrices (l, u) using the LU Decomposition algorithm. This version uses partial pivoting.

    Definition Classes
    SymTriMatrixNMatrix
  65. def mag: T

    Find the magnitude of this matrix, the element value farthest from zero.

    Find the magnitude of this matrix, the element value farthest from zero.

    Definition Classes
    SymTriMatrixNMatrix
  66. def max(e: Int = dim1): T

    Find the maximum element in this matrix.

    Find the maximum element in this matrix.

    e

    the ending row index (exclusive) for the search

    Definition Classes
    SymTriMatrixNMatrix
  67. def min(e: Int = dim1): T

    Find the minimum element in this matrix.

    Find the minimum element in this matrix.

    e

    the ending row index (exclusive) for the search

    Definition Classes
    SymTriMatrixNMatrix
  68. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  69. def norm1: T

    Compute the 1-norm of this matrix, i.

    Compute the 1-norm of this matrix, i.e., the maximum 1-norm of the column vectors. This is useful for comparing matrices (a - b).norm1

    Definition Classes
    SymTriMatrixNMatrix
  70. final def notify(): Unit

    Definition Classes
    AnyRef
  71. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  72. val nu: Numeric[T]

    Import Numeric evidence (gets nu val from superclass)

  73. def nullspace(implicit fr: Fractional[T]): VectorN[T]

    Compute the (right) nullspace of this m by n matrix (requires n = m + 1) by performing Gauss-Jordan reduction and extracting the negation of the last column augmented by 1.

    Compute the (right) nullspace of this m by n matrix (requires n = m + 1) by performing Gauss-Jordan reduction and extracting the negation of the last column augmented by 1. The nullspace of matrix a is "this vector v times any scalar s", i.e., a*(v*s) = 0. The left nullspace of matrix a is the same as the right nullspace of a.t (a transpose).

    Definition Classes
    SymTriMatrixNMatrix
  74. def nullspace_ip(implicit fr: Fractional[T]): VectorN[T]

    Compute the (right) nullspace in-place of this m by n matrix (requires n = m + 1) by performing Gauss-Jordan reduction and extracting the negation of the last column augmented by 1.

    Compute the (right) nullspace in-place of this m by n matrix (requires n = m + 1) by performing Gauss-Jordan reduction and extracting the negation of the last column augmented by 1. The nullspace of matrix a is "this vector v times any scalar s", i.e., a*(v*s) = 0. The left nullspace of matrix a is the same as the right nullspace of a.t (a transpose).

    Definition Classes
    SymTriMatrixNMatrix
  75. val range1: Range

    Range for the storage array on dimension 1 (rows)

    Range for the storage array on dimension 1 (rows)

    Attributes
    protected
    Definition Classes
    Matrix
  76. val range2: Range

    Range for the storage array on dimension 2 (columns)

    Range for the storage array on dimension 2 (columns)

    Attributes
    protected
    Definition Classes
    Matrix
  77. def rank(implicit fr: Fractional[T]): Int

    Determine the rank of this m by n matrix by taking the upper triangular matrix from the LU Decomposition and counting the number of non-zero diagonal elements.

    Determine the rank of this m by n matrix by taking the upper triangular matrix from the LU Decomposition and counting the number of non-zero diagonal elements. FIX: should implement in implementing classes.

    Definition Classes
    Matrix
  78. def reduce(implicit fr: Fractional[T]): SymTriMatrixN[T]

    Use Gauss-Jordan reduction on this matrix to make the left part embed an identity matrix.

    Use Gauss-Jordan reduction on this matrix to make the left part embed an identity matrix. A constraint on this m by n matrix is that n >= m.

    Definition Classes
    SymTriMatrixNMatrix
  79. def reduce_ip(implicit fr: Fractional[T]): Unit

    Use Gauss-Jordan reduction in-place on this matrix to make the left part embed an identity matrix.

    Use Gauss-Jordan reduction in-place on this matrix to make the left part embed an identity matrix. A constraint on this m by n matrix is that n >= m.

    Definition Classes
    SymTriMatrixNMatrix
  80. def sameCrossDimensions(b: Matrix[T]): Boolean

    Check whether this matrix and the other matrix have the same cross dimensions.

    Check whether this matrix and the other matrix have the same cross dimensions.

    b

    the other matrix

    Definition Classes
    Matrix
  81. def sameDimensions(b: Matrix[T]): Boolean

    Check whether this matrix and the other Matrix have the same dimensions.

    Check whether this matrix and the other Matrix have the same dimensions.

    b

    the other matrix

    Definition Classes
    Matrix
  82. def sd: VectorN[T]

    Get the sub-diagonal of the matrix.

  83. def sd_(v: VectorN[T]): Unit

    Set the sub-diagonal of the matrix.

    Set the sub-diagonal of the matrix.

    v

    the vector to assign to the sub-diagonal

  84. def selectCols(colIndex: Array[Int]): SymTriMatrixN[T]

    Select columns from this matrix according to the given index/basis.

    Select columns from this matrix according to the given index/basis. Ex: Can be used to divide a matrix into a basis and a non-basis.

    colIndex

    the column index positions (e.g., (0, 2, 5))

    Definition Classes
    SymTriMatrixNMatrix
  85. def selectRows(rowIndex: Array[Int]): SymTriMatrixN[T]

    Select rows from this matrix according to the given index/basis.

    Select rows from this matrix according to the given index/basis.

    rowIndex

    the row index positions (e.g., (0, 2, 5))

    Definition Classes
    SymTriMatrixNMatrix
  86. def set(i: Int, u: VectorN[T], j: Int = 0): Unit

    Set this matrix's ith row starting at column j to the vector u.

    Set this matrix's ith row starting at column j to the vector u.

    i

    the row index

    u

    the vector value to assign

    j

    the starting column index

    Definition Classes
    SymTriMatrixNMatrix
  87. def set(u: Array[Array[T]]): Unit

    Set all the values in this matrix as copies of the values in 2D array u.

    Set all the values in this matrix as copies of the values in 2D array u.

    u

    the 2D array of values to assign

    Definition Classes
    SymTriMatrixNMatrix
  88. def set(x: T): Unit

    Set all the elements in this matrix to the scalar x.

    Set all the elements in this matrix to the scalar x.

    x

    the scalar value to assign

    Definition Classes
    SymTriMatrixNMatrix
  89. def setCol(col: Int, u: VectorN[T]): Unit

    Set column 'col' of the matrix to a vector.

    Set column 'col' of the matrix to a vector.

    col

    the column to set

    u

    the vector to assign to the column

    Definition Classes
    SymTriMatrixNMatrix
  90. def setDiag(x: T): Unit

    Set the main diagonal of this matrix to the scalar x.

    Set the main diagonal of this matrix to the scalar x. Assumes dim2 >= dim1.

    x

    the scalar to set the diagonal to

    Definition Classes
    SymTriMatrixNMatrix
  91. def setDiag(u: VectorN[T], k: Int = 0): Unit

    Set the kth diagonal of this matrix to the vector u.

    Set the kth diagonal of this matrix to the vector u. Assumes dim2 >= dim1.

    u

    the vector to set the diagonal to

    k

    how far above the main diagonal, e.g., (-1, 0, 1) for (sub, main, super)

    Definition Classes
    SymTriMatrixNMatrix
  92. def slice(r_from: Int, r_end: Int, c_from: Int, c_end: Int): SymTriMatrixN[T]

    Slice this matrix row-wise r_from to r_end and column-wise c_from to c_end.

    Slice this matrix row-wise r_from to r_end and column-wise c_from to c_end.

    r_from

    the start of the row slice

    r_end

    the end of the row slice

    c_from

    the start of the column slice

    c_end

    the end of the column slice

    Definition Classes
    SymTriMatrixNMatrix
  93. def slice(from: Int, end: Int): SymTriMatrixN[T]

    Slice this matrix row-wise from to end.

    Slice this matrix row-wise from to end.

    from

    the start row of the slice (inclusive)

    end

    the end row of the slice (exclusive)

    Definition Classes
    SymTriMatrixNMatrix
  94. def sliceExclude(row: Int, col: Int): SymTriMatrixN[T]

    Slice this matrix excluding the given row and column.

    Slice this matrix excluding the given row and column.

    row

    the row to exclude

    col

    the column to exclude

    Definition Classes
    SymTriMatrixNMatrix
  95. def solve(lu: (Matrix[T], Matrix[T]), b: VectorN[T])(implicit fr: Fractional[T]): VectorN[T]

    Solve for x in the equation l*u*x = b (see lud above).

    Solve for x in the equation l*u*x = b (see lud above).

    lu

    the lower and upper triangular matrices

    b

    the constant vector

    Definition Classes
    SymTriMatrixNMatrix
  96. def solve(l: Matrix[T], u: Matrix[T], b: VectorN[T])(implicit fr: Fractional[T]): VectorN[T]

    Solve for x in the equation l*u*x = b (see lud above).

    Solve for x in the equation l*u*x = b (see lud above).

    l

    the lower triangular matrix

    u

    the upper triangular matrix

    b

    the constant vector

    Definition Classes
    SymTriMatrixNMatrix
  97. def solve(d: VectorN[T])(implicit fr: Fractional[T]): VectorN[T]

    Solve for x in the equation a*x = d where a is this matrix.

    Solve for x in the equation a*x = d where a is this matrix.

    d

    the constant vector.

    Definition Classes
    SymTriMatrixNMatrix
  98. def sum: T

    Compute the sum of this matrix, i.

    Compute the sum of this matrix, i.e., the sum of its elements.

    Definition Classes
    SymTriMatrixNMatrix
  99. def sumAbs: T

    Compute the abs sum of this matrix, i.

    Compute the abs sum of this matrix, i.e., the sum of the absolute value of its elements. This is useful for comparing matrices (a - b).sumAbs

    Definition Classes
    SymTriMatrixNMatrix
  100. def sumLower: T

    Compute the sum of the lower triangular region of this matrix.

    Compute the sum of the lower triangular region of this matrix.

    Definition Classes
    SymTriMatrixNMatrix
  101. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  102. def t: SymTriMatrixN[T]

    Transpose this matrix (rows => columns).

    Transpose this matrix (rows => columns). Note, since the matrix is symmetric, it returns itself.

    Definition Classes
    SymTriMatrixNMatrix
  103. def toString(): String

    Convert this symmetric tridiagonal matrix to a string.

    Convert this symmetric tridiagonal matrix to a string.

    Definition Classes
    SymTriMatrixN → AnyRef → Any
  104. def trace: T

    Compute the trace of this matrix, i.

    Compute the trace of this matrix, i.e., the sum of the elements on the main diagonal. Should also equal the sum of the eigenvalues.

    Definition Classes
    SymTriMatrixNMatrix
    See also

    Eigen.scala

  105. def update(i: Int, jr: Range, u: VectorN[T]): Unit

    Set a slice this matrix row-wise at index i and column-wise on range jr.

    Set a slice this matrix row-wise at index i and column-wise on range jr. Ex: a(2, 3..5) = u

    i

    the row index

    jr

    the column range

    u

    the vector to assign

    Definition Classes
    SymTriMatrixNMatrix
  106. def update(ir: Range, j: Int, u: VectorN[T]): Unit

    Set a slice this matrix row-wise on range ir and column-wise at index j.

    Set a slice this matrix row-wise on range ir and column-wise at index j. Ex: a(2..4, 3) = u

    ir

    the row range

    j

    the column index

    u

    the vector to assign

    Definition Classes
    SymTriMatrixNMatrix
  107. def update(ir: Range, jr: Range, b: SymTriMatrixN[T]): Unit

    Set a slice this matrix row-wise on range ir and column-wise on range jr.

    Set a slice this matrix row-wise on range ir and column-wise on range jr. Ex: a(2..4, 3..5) = b

    ir

    the row range

    jr

    the column range

    b

    the matrix to assign

  108. def update(i: Int, u: VectorN[T]): Unit

    Set this matrix's row at the i-th index position to the vector u.

    Set this matrix's row at the i-th index position to the vector u.

    i

    the row index

    u

    the vector value to assign

    Definition Classes
    SymTriMatrixNMatrix
  109. def update(i: Int, j: Int, x: T): Unit

    Set this matrix's element at the i,j-th index position to the scalar x.

    Set this matrix's element at the i,j-th index position to the scalar x. Only store x if it is non-zero.

    i

    the row index

    j

    the column index

    x

    the scalar value to assign

    Definition Classes
    SymTriMatrixNMatrix
  110. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()
  111. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()
  112. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()
  113. def ~^(p: Int): SymTriMatrixN[T]

    Raise this matrix to the pth power (for some integer p >= 2).

    Raise this matrix to the pth power (for some integer p >= 2).

    p

    the power to raise this matrix to

    Definition Classes
    SymTriMatrixNMatrix

Inherited from Serializable

Inherited from Serializable

Inherited from Matrix[T]

Inherited from Error

Inherited from AnyRef

Inherited from Any