Jampack

Class Inv

java.lang.Object

Jampack.Inv

public class Inv
extends Object

Inv computes the inverse of a matrix.

Comments: Inv computes the inverse of A by using Solve to solve the system AX = I. This is inefficient, though not inordinately so. Eventually these methods will be replaced.

Version:

Pre-alphs

Author:

G. W. Stewart

Constructor Summary

Constructors

Constructor and Description
Inv()

Method Summary

Methods

Modifier and Type	Method and Description
static Zdiagmat	o(Zdiagmat D) Computes the inverse of a Zdiagmat.
static Zltmat	o(Zltmat L) Computes the inverse of a Zltmat.
static Zmat	o(Zmat A) Computes the inverse of a square Zmat
static Zpsdmat	o(Zpsdmat A) Computes the inverse of a Zpsdmat.
static Zutmat	o(Zutmat U) Computes the inverse of a Zutmat.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Inv

public Inv()

Method Detail

o

public static Zltmat o(Zltmat L)
                throws JampackException

Computes the inverse of a Zltmat.

Parameters:

L - The Zltmat

Returns:

The inverse of L

Throws:

JampackException - Thrown if L is not square.
Passed from below.

o

public static Zutmat o(Zutmat U)
                throws JampackException

Computes the inverse of a Zutmat.

Parameters:

U - The Zutmat

Returns:

The inverse of U

Throws:

JampackException - Thrown if U is not square.
Passed from below.

o

public static Zmat o(Zmat A)
              throws JampackException

Computes the inverse of a square Zmat

Parameters:

A - The Zmat

Returns:

The inverse of A

Throws:

JampackException - Thrown if A is not square.
Passed from below.

o

public static Zpsdmat o(Zpsdmat A)
                 throws JampackException

Computes the inverse of a Zpsdmat.

Parameters:

A - The Zpsdmat

Returns:

The inverse of A

Throws:

JampackException - Thrown if A is not square.
Passed from below.

o

public static Zdiagmat o(Zdiagmat D)
                  throws JampackException

Computes the inverse of a Zdiagmat.

Parameters:

D - The Zdiagmat

Returns:

The inverse of D

Throws:

JampackException - Thrown if D singular.