- subvector
Extracts a row or column vector from matrix A. The first element in the matrix
is at element (rowA,
- addIdentity
Performs the following operation:
B = A + αI
- copyChangeRow
Creates a copy of a matrix but swaps the rows as specified by the order array.
- diagProd
Computes the product of the diagonal elements. For a diagonal or triangular
matrix this is the deter
- pivotMatrix
Creates a pivot matrix that exchanges the rows in a matrix:
A' = P*A
For example, if element 0 i
- qualityTriangular
Computes the quality of a triangular matrix, where the quality of a matrix is
defined in org.ejml.in
- createReflector
Creates a reflector from the provided vector.
Q = I - γ u uT
γ = 2/||u||2
In practice
org.ejml.a
- elementDiagonalMaxAbs
Returns the absolute value of the digonal element in the matrix that has the
largest absolute value
- elementSumSq
Sums up the square of each element in the matrix. This is equivalent to the
Frobenius norm squared.
- splitIntoVectors
Takes a matrix and splits it into a set of row or column vectors.