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Matrix Operations Library |
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| Submitted on: 1/16/2003 3:31:04 PM
By: Anas S. A.
Level: Advanced
User Rating:
By 43 Users
Compatibility:VB 4.0 (32-bit), VB 5.0, VB 6.0
Users have accessed this code 2983 times.
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| | | Matrix Operations Library
About a year ago, I was working on a project. The project required many matrix operations, that time I really wished that I would find a class or a library with ready functions for matrix manipulations (like addition, inverse, multiplication, etc…) to use in Visual Basic. Unfortunately I could not find such a class, so I decided to write my own class, I called it "cMathLib" . This class gives the user the flexibility to work with matrices and do operations on them. The dimensions of the matrices are neither pre-specified nor limited. The code is highly optimized for fast operation. The code attached contains the class file called with a demonstration on how to use it.
Opperations included in the class are :
Add, Subtract, Determinant, Inverse, Transpose, Multiply, atan2, arc cos, arc sin, PI, Print, MultiplyVectors,Magnitude of a Vector, scalar multiply, and scalar divide.
I really hope this class would be of any help to any of you who needs to work with matrix operations.
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Other 2 submission(s) by this author
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| Other User Comments |
1/16/2003 4:44:51 PM:BAS_ARM
5* (simple, clear & most of all
usefull)
Some functions may generated
for multi-dimencional arrays.
If
anyone have the time he could writte
code independed of array dimensions
(maybee checking the number of array
dimencions with the error in finding
the Ubound etc)
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1/16/2003 7:12:50 PM:
Excellent, matrix operations can be a
pain in the a*s unless you have a
programmable calculator. Thanks for
sharing it.
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1/17/2003 4:28:11 AM:
this code is perfect! it's fast, clear
n usefull.really thanks for sharing :)
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1/17/2003 5:19:39 AM:M.C
Didnt test it jet, but 5 globes(I do
belive to descriptions)
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1/17/2003 7:35:23 AM:
Keep Up the good work, thanks for
sharing this code u saved me !!!
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1/17/2003 1:11:03 PM:
impressive work well explained easy and
above all does the work, i never
thought that any one would share such a
library for free. Thnaks alot, now i
can work on my project without writing
any matrix functions. the code is fast
!!
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1/17/2003 4:02:13 PM:The New iSoftware Company!
Want to help me take this to vb .net?
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1/17/2003 5:48:15 PM:
Good work!! you deserve five stars
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1/17/2003 9:32:39 PM:
cool this class is a saver ,though i
wished u had eigen vectors and rank
functions in it too!! anyways thanks
for sharing it :)
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1/19/2003 3:23:32 AM:Robert Rayment
Excellent and useful*****
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1/19/2003 5:37:34 AM:Peter Wilson
Keep up the good work!
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1/19/2003 9:37:33 AM:
u really did a good job man!
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1/20/2003 6:46:40 AM:
This is exactly what i want for my
project thanx alot
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1/20/2003 9:37:52 AM:
easy well explained a definite 5 starts
good work!
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1/21/2003 12:40:24 PM:Dhaval Faria
its really excellent.. I was looking
for this only.. I done this Matrix
operationg.. Addition and Subtraction
in VB.NET and now goin for more.. like
inverse and all, but at the mean time,
I found your.. so I get proper logic..
thanks man.. 5 globes from me.
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1/21/2003 5:49:27 PM:
Hey man its an awesome thing u did
there, keep the hard work....urs
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1/27/2003 1:30:13 AM:
please send matrix library for multi
and sum
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4/16/2003 6:04:22 AM:R. C. Sharma
function acos contains an error. The
correct version should be
if x=1
then
acos= right angle
else
.
.the
given code
.
endif
by
rcs1949@yahoo.com
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4/17/2003 6:43:06 AM:R. C. Sharma
function asin should be as
follows
Public Function asin(ByVal X
As Double) As Double
if x*x-1
then
asin=pi/2
else
asin = Atn(X /
(Sqr(Abs(1 - X * X)) +
1E-200))
endif
End Function
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4/17/2003 6:47:10 AM:R. C. Sharma
function acos contains an error. The
correct version should be
if x=1
then
acos= 0
else
.
.the
given
code
.
endif
by
rcs1949@yahoo.com
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4/17/2003 6:48:23 AM:R. C. Sharma
function asin should be as
follows
Public Function asin(ByVal
X
As Double) As Double
if x*x=1
then
asin=pi/2
else
asin = Atn(X
/
(Sqr(Abs(1 - X * X)) +
1E-200))
endif
End Function
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