org.ode4j.math
Class DMatrixN

java.lang.Object
  org.ode4j.math.DMatrixN

public class DMatrixN
extends java.lang.Object

Author:

Tilmann Zaeschke

Constructor Summary

DMatrixN(DMatrixN matrix)

DMatrixN(int max_i, int max_j)

Method Summary

void	clearLowerTriangle()
void	clearUpperTriangle()
double	maxDifference(DMatrixN a)
DMatrixN	mulNew(DMatrixN a)
DMatrixN	newSubMatrix(int np, int[] p, int nq, int[] q) This returns a new Matrix containing a copy of the selected sub-matrix.
DMatrixN	reTranspose() This returns a new Matrix containing a transposed of this matrix.
void	set(DMatrixN mat)
void	set(double a)
void	set(double[] da, int da_ofs)
void	set(double[] _data, int rowskip, int colskip)
void	set(int i, int j, double a)
void	setCol(int i, DVector3 v3)
void	setOfs(int ofs, DVector3 v3)
java.lang.String	toString()
static DMatrixN	wrap(double[] a, int i, int j)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DMatrixN

public DMatrixN(int max_i,
                int max_j)

DMatrixN

public DMatrixN(DMatrixN matrix)

Method Detail

wrap

public static DMatrixN wrap(double[] a,
                            int i,
                            int j)

set

public void set(DMatrixN mat)

setOfs

public void setOfs(int ofs,
                   DVector3 v3)

setCol

public void setCol(int i,
                   DVector3 v3)

set

public void set(double[] da,
                int da_ofs)

set

public void set(double a)

set

public void set(double[] _data,
                int rowskip,
                int colskip)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

reTranspose

public DMatrixN reTranspose()

This returns a new Matrix containing a transposed of this matrix. Creates new matrix.

Returns:

New transposed matrix.

newSubMatrix

public DMatrixN newSubMatrix(int np,
                             int[] p,
                             int nq,
                             int[] q)

This returns a new Matrix containing a copy of the selected sub-matrix.

Parameters:

np -

p -

nq -

q -

Returns:

New sub-matrix.

mulNew

public DMatrixN mulNew(DMatrixN a)

clearUpperTriangle

public void clearUpperTriangle()

clearLowerTriangle

public void clearLowerTriangle()

maxDifference

public double maxDifference(DMatrixN a)

set

public void set(int i,
                int j,
                double a)

Parameters:

i - row

j - column

a - value at (i,j)