object MatrixR extends Error with Serializable
The MatrixR companion object provides operations for MatrixR that don't require
'this' (like static methods in Java). It provides factory methods for building
matrices from files or vectors.
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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def
++(u: VectorR, w: VectorR): MatrixR
Concatenate (row) vectors 'u' and 'w' to form a matrix with 2 rows.
Concatenate (row) vectors 'u' and 'w' to form a matrix with 2 rows.
- u
the vector to be concatenated as the new first row in matrix
- w
the vector to be concatenated as the new second row in matrix
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def
++^(u: VectorR, w: VectorR): MatrixR
Concatenate (column) vectors 'u' and 'w' to form a matrix with 2 columns.
Concatenate (column) vectors 'u' and 'w' to form a matrix with 2 columns.
- u
the vector to be concatenated as the new first column in matrix
- w
the vector to be concatenated as the new second column in matrix
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final
def
==(arg0: Any): Boolean
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def
apply(fileName: String): MatrixR
Create a matrix by reading from a text file, e.g., a CSV file.
Create a matrix by reading from a text file, e.g., a CSV file.
- fileName
the name of file holding the data
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def
apply(u: Vector[VectorR]): MatrixR
Create a matrix and assign values from the Scala
Vectorof vectors 'u'.Create a matrix and assign values from the Scala
Vectorof vectors 'u'. Assumes vectors are columwise.- u
the Vector of vectors to assign
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def
apply(u: Array[VectorR], columnwise: Boolean = true): MatrixR
Create a matrix and assign values from the array of vectors 'u'.
Create a matrix and assign values from the array of vectors 'u'.
- u
the array of vectors to assign
- columnwise
whether the vectors are treated as column or row vectors
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asInstanceOf[T0]: T0
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equals(arg0: Any): Boolean
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def
eye(m: Int, n: Int = 0): MatrixR
Create an 'm-by-n' identity matrix I (ones on main diagonal, zeros elsewhere).
Create an 'm-by-n' identity matrix I (ones on main diagonal, zeros elsewhere). If 'n' is <= 0, set it to 'm' for a square identity matrix.
- m
the row dimension of the matrix
- n
the column dimension of the matrix (defaults to 0 => square matrix)
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def
finalize(): Unit
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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
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def
form_cw(x: VectorR, y: Real): MatrixR
Form a matrix from a vector 'x' and a scalar 'y', column-wise.
Form a matrix from a vector 'x' and a scalar 'y', column-wise.
- x
the first vector -> column 0
- y
the second scalar -> column 1 (repeat scalar)
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def
form_cw(x: Real, y: VectorR): MatrixR
Form a matrix from a scalar 'x' and a vector 'y', column-wise.
Form a matrix from a scalar 'x' and a vector 'y', column-wise.
- x
the first scalar -> column 0 (repeat scalar)
- y
the second vector -> column 1
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def
form_cw(x: VectorR, y: VectorR): MatrixR
Form a matrix from two vectors 'x' and 'y', column-wise.
Form a matrix from two vectors 'x' and 'y', column-wise.
- x
the first vector -> column 0
- y
the second vector -> column 1
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def
form_rw(x: VectorR, y: Real): MatrixR
Form a matrix from a vector 'x' and a scalar 'y', row-wise.
Form a matrix from a vector 'x' and a scalar 'y', row-wise.
- x
the first vector -> row 0
- y
the second scalar -> row 1 (repeat scalar)
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def
form_rw(x: Real, y: VectorR): MatrixR
Form a matrix from scalar 'x' and a vector 'y', row-wise.
Form a matrix from scalar 'x' and a vector 'y', row-wise.
- x
the first scalar -> row 0 (repeat scalar)
- y
the second vector -> row 1
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def
form_rw(x: VectorR, y: VectorR): MatrixR
Form a matrix from two vectors 'x' and 'y', row-wise.
Form a matrix from two vectors 'x' and 'y', row-wise.
- x
the first vector -> row 0
- y
the second vector -> row 1
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def
getClass(): Class[_]
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notifyAll(): Unit
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def
outer(x: VectorR, y: VectorR): MatrixR
Compute the outer product of vector 'x' and vector 'y'.
Compute the outer product of vector 'x' and vector 'y'. The result of the outer product is a matrix where 'c(i, j)' is the product of 'i'-th element of 'x' with the 'j'-th element of 'y'.
- x
the first vector
- y
the second vector
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
times(u: VectorR, a: MatrixR): VectorR
Multiply vector 'u' by matrix 'a'.
Multiply vector 'u' by matrix 'a'. Treat 'u' as a row vector.
- u
the vector to multiply by
- a
the matrix to multiply by (requires sameCrossDimensions)
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