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                  Small Matrix Toolbox for C programmers
                              version 0.42
                         (Support Unix and DOS)

                          by Patrick KO Shu-pui

             Copyright (c) 1992, 1993, 1994 All Rights Reserved.
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ADDRESS TO CONTACT:

            fidonet:  6:700/132 BiG Programming Club
                      [852] 663-0223    19.2 kbps
                      [852] 663-0236    16.8 kbps

            internet: pko@hk.super.net

            mailing:  Patrick Ko
                      G.P.O. Box 7468
                      Hong Kong
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MATRX042.ZIP contains

READ    .ME     - this file
DEMO    .C      - demo how to use this package
DEMO    .DAT    - demo data
DEMO    .EXE    - demo executable for DOS
MAKEFILE.MSC    - makefile for Microsoft C/C++ 7.0 on DOS
MAKEFILE.TC     - makefile for Turbo C 2.0 on DOS
MAKEFILE.UX     - makefile for Unix
MATRIX  .DOC    - matrix toolbox interface document
MATRIX  .H      - matrix header file (must include it)
MATADD  .C      - matrix addition
MATCREAT.C      - matrix creation
MATDET  .C      - find minor, cofactor, determinant
MATDUMP .C      - matrix dump
MATERR  .C      - matrix error handling routine
MATINV  .C      - matrix inversion
MATMUL  .C      - matrix multiplication
MATSOLVE.C      - linear equations solver
MATSUB  .C      - matrix substraction
MATSUBX .C      - submatrix operation
MATTOEPZ.C      - create symmetric Toeplitz matrix
MATDURBN.C      - Symmetrix Toeplitz matrix fast solving algorithm
MATTRAN .C      - matrix transpose

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WHATS NEW in v0.1:
        -       +, -, *, inverse matrix operations

WHATS NEW in v0.2:
        -       Linear equation solver
        -       C-programmer-friendly C sources

WHATS NEW in v0.3:
        -       better data structure (more Object-Oriented)
        -       finding minors, cofactors, determinants
        -       Levinson-Durbin algorithm for symmetric Toeplitz matrix

WHATS NEW in v0.4:
        -       Revised method for minors, cofactors and determinants
                whose time complexity is T(n^3) instead of nearly T(n!).
                This is important when you want to find the determinant
                of a matrix whose size is over 10 x 10.
        -       submatrix operator
        -       matrix formmated dump function
        -       brief matrix toolbox interface document included

WHATS NEW in v0.41:
        -       bug fix for unit matrix creation

WHATS NEW in v0.42:
        -       support Microsoft C/C++ 7.0

HOW TO COMPILE:

        1.      All Unix environment - make -f makefile.ux
        2.      DOS (Turbo C v2.0) - make -fmakefile.tc
        3.      DOS (Microsoft C/C++ v7.0) - nmake -fmakefile.msc

REFERENCES

        [1] Mary L.Boas, "Mathematical Methods in the Physical Sciene,"
        John Wiley & Sons, 2nd Ed., 1983. Chap 3.

        [2] Kendall E.Atkinson, "An Introduction to Numberical Analysis,"
	John Wiley & Sons, 1978.

	[3] Shuzo Saito, Kazuo Nakata, "Fundamentals of Speech Signal
	Processing," Academic Press, 1985.

        [4] Alfred V.Aho, John E.Hopcroft, Jeffrey D.Ullman, "The Design
        and Analysis of Computer Algorithms," 1974.

AUTHOR
All the sources are written by Patrick KO Shu Pui
BiG Programming Club (6:700/132, fidonet)

===============================================================================
AUTHORIZATION NOTICE

This C source package MATRX042.ZIP is FREE for ACADEMIC purpose only.

For COMMERCIAL use, authorization is required from the author.
Please send US$25 for registration.
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DISCLAIMER      (I hate this but I have to do that)

You are on your own risk - the author is not responsible for any lost due
to the use of this toolbox.
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