Java weka.core.matrix Matrix fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for weka.core.matrix Matrix.

The text is from its open source code.

	Matrix(int m, int n) Construct an m-by-n matrix of zeros.
	Matrix(double vals[], int m) Construct a matrix from a one-dimensional packed array
	Matrix(double[][] A) Construct a matrix from a 2-D array.
	Matrix(Reader r) Reads a matrix from a reader.
	Matrix(int m, int n, double s) Construct an m-by-n constant matrix.
	Matrix(double[][] A, int m, int n) Construct a matrix quickly without checking arguments.

double	det() Matrix determinant
EigenvalueDecomposition	eig() Eigenvalue Decomposition
double	get(int i, int j) Get a single element.
double[][]	getArray() Access the internal two-dimensional array.
int	getColumnDimension() Get column dimension.
double[]	getColumnPackedCopy() Make a one-dimensional column packed copy of the internal array.
Matrix	getMatrix(int i0, int i1, int j0, int j1) Get a submatrix.
int	getRowDimension() Get row dimension.
double[]	getRowPackedCopy() Make a one-dimensional row packed copy of the internal array.
Matrix	identity(int m, int n) Generate identity matrix
Matrix	inverse() Matrix inverse or pseudoinverse
Matrix	minus(Matrix B) C = A - B
Matrix	plus(Matrix B) C = A + B
Matrix	plusEquals(Matrix B) A = A + B
Matrix	random(int m, int n) Generate matrix with random elements
LinearRegression	regression(Matrix y, double ridge) Performs a (ridged) linear regression.
void	set(int i, int j, double s) Set a single element.
void	setMatrix(int i0, int i1, int j0, int j1, Matrix X) Set a submatrix.
Matrix	solve(Matrix B) Solve A*X = B
Matrix	times(double s) Multiply a matrix by a scalar, C = s*A
Matrix	times(Matrix B) Linear algebraic matrix multiplication, A * B
Matrix	timesEquals(double s) Multiply a matrix by a scalar in place, A = s*A
Matrix	transpose() Matrix transpose.
void	write(Writer w) Writes out a matrix.