Inverse Math Function
Math::XOR is a package to handle XOR encryption of string buffers. SYNOPSIS use XOR; print xor_buf("hello", "world"), "n"; The XOR module allows you to quickly XOR two strings together. This is the only method of encryption that (assuming the randomness of the pattern used as an encryption...
Platforms: *nix
License: Freeware | Size: 2.05 KB | Download (159): Math::XOR Download |
Math::Matrix can multiply and invert Matrices. The following methods are available: new Constructor arguments are a list of references to arrays of the same length. The arrays are copied. The method returns undef in case of error. $a = new Math::Matrix ([rand,rand,rand],...
Platforms: *nix
License: Freeware | Size: 6.14 KB | Download (134): Math::Matrix Download |
Math::Bezier::Convert is a Perl module to convert cubic and quadratic bezier each other. SYNOPSIS use Math::Bezier::Convert; @new_cubic = divide_cubic($cx1, $cy1, $cx2, $cy2, $cx3, $cy3, $cx4, $cy4, $t); @new_quad = divide_quadratic($cx1, $cy1, $cx2, $cy2, $cx3, $cy3, $t); @quad =...
Platforms: *nix
License: Freeware | Size: 6.14 KB | Download (105): Math::Bezier::Convert Download |
OxMath is an open source 2D/3D math library for REALbasic with ubiquitous vector, quaternion, and axis angle classes, plus vector array classes for efficient vertex/triangle storage and batch processing.The library also includes bounding volume/intersection classes, and waveform "function"...
Platforms: Mac
License: Freeware | Size: 76 KB | Download (110): OxMath 2D/3D Math Library Download |
OxMath is an open source 2D/3D math library for REALbasic with ubiquitous vector, quaternion, and axis angle classes, plus vector array classes for efficient vertex/triangle storage and batch processing.
The library also includes bounding volume/intersection classes, and waveform "function"...
Platforms: REALbasic 2006r4 or greater
License: Freeware | Size: 71.68 KB | Download (59): OxMath 2D 3D Math Library Download |
This script allows you to graph any function you enter on the scale of your choice, assuming you use the correct javascript syntax.For example, to use Cos x, use Math.cos(x). Or, for x^2, use Math.pow(x, 2), etc.
Platforms: JavaScript
License: Freeware | Size: 10 KB | Download (48): Function Grapher Script Download |
[psi gopt] = dfdesign_w_lmi(phi, w, d, n);DFDESIGN_W_LMI computes the H-infinity optimal inverse FIR filter of phi(z).The resulting filter minimizes the H-infinity norm of the error system E_w(z) = [z^(-d) - psi(z)phi(z)]w(z).The LMI method based on KYP lemma is used in this function.[INPUT]phi:...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (51): H-infinity sub-optimal causal FIR inverse filter via LMI Download |
Kriging and inverse distance are popular interpolation methods, especially in earth sciences. There are some routines already available on matlab but are severely limited by matlabs memory constraints. By using gstat to handle interpolation and variogram modelling, very large datasets are easily...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (50): Kriging and Inverse Distance Interpolation using GSTAT Download |
function W = euklid_W(ws,d,n)function W = euklid_invW(ws,d,n) PURPOSE: create an (inverse) euklidean distance spatial weight matrix (n x m 'moving-window' style matrix with distance to center cell weighted.) ------------------------------------------------------------------ USAGE: W =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Euklid (Inverse) Distance Weight Matrix Download |
This is a tool that makes making math worksheets easier than ever. Just a few clicks and you're on. The limits are almost unlimited as it can get 300 math problems on a worksheet without even making it look compacted. Supports bold printing mode also. It allows you to put a title, select the type...
Platforms: Windows, *nix
License: Freeware | Size: 821 KB | Download (1680): Math Worksheet Maker 3 Download |
Free mental math practice software. Covers all the basic
math skills - Addition, Subtraction, Multiplication, and
Division.
You choose what you want to work on. The software delivers
the questions, checks your answers, and keeps your score so
you can see how well you're doing.
Use it...
Platforms: Windows, Windows CE
License: Freeware | Download (986): Mental Math Practice Download |
The Math Homework Maker, is a FREE software which can solve all your homework.
If you are a pupil or a student, needing help with your math homework or just want to check them,
Then you must have this software.
The Math Homework Maker covers everything you need, from elementary school up...
Platforms: Windows
License: Freeware | Size: 409 KB | Download (1120): Math Homework Maker Download |
Math::Combinatorics is a Perl module that can perform combinations and permutations on lists. SYNOPSIS Available as an object oriented API. use Math::Combinatorics; my @n = qw(a b c); my $combinat = Math::Combinatorics->new(count => 2, data => [@n], ); print "combinations of 2 from:...
Platforms: *nix
License: Freeware | Size: 10.24 KB | Download (168): Math::Combinatorics Download |
Math::NoCarry is a Perl extension for no carry arithmetic. SYNOPSIS use Math::NoCarry; my $sum = Math::NoCarry::add( 123, 456 ); my $difference = Math::NoCarry::subtract( 123, 456 ); my $product = Math::NoCarry::multiply( 123, 456 ); No carry arithmetic doesnt allow you to carry...
Platforms: *nix
License: Freeware | Size: 5.12 KB | Download (87): Math::NoCarry Download |
CoreLinux++ Function Load Library (libclfll++) takes advantage of the abstract Library Load framework in the CoreLinux libclfw++ library by providing management of loading Linux shared libraries. Application developers define function objects as wrappers and can then dynamically load the...
Platforms: *nix
License: Freeware | Size: 93.18 KB | Download (95): CoreLinux++ Function Load Library Download |
SYNOPSIS use Math::FresnelZone; use Math::FresnelZone qw(fresnel fresnelMi fresnelKm); The arguments are: 0 - distance in kilometers or miles (default is 1), 1 - frequency in GHz (defualt 2.4), 2 - set to true to specify that the distance you are inputting is in miles and that the...
Platforms: *nix
License: Freeware | Size: 3.07 KB | Download (101): Math::FresnelZone Download |
Math::HashSum can sum a list of key-value pairs on a per-key basis. SYNOPSIS use Math::HashSum qw(hashsum); my %hash1 = (a=>.1, b=>.4); my %hash2 = (a=>.2, b=>.5); my %sum = hashsum(%hash1,%hash2); print "$sum{a}n"; # Prints .3 print "$sum{b}n"; # Prints .9 This module allows you to...
Platforms: *nix
License: Freeware | Size: 18.43 KB | Download (89): Math::HashSum Download |
Math::Numbers is a Perl module that contains methods for mathematical approaches of concepts of the number theory. SYNOPSIS use Math::Numbers; my $a = 123; my $b = 34; my $numbers = Math::Numbers->new($a, $b [, ...]); print "They are coprimes (relatively primes)!n" if...
Platforms: *nix
License: Freeware | Size: 4.1 KB | Download (104): Math::Numbers Download |
Math::Telephony::ErlangC is a Perl extension for Erlang C calculations. SYNOPSIS use Math::Telephony::ErlangC; # Evaluate probability that a service request will have to wait $wprob = wait_probability($traffic, $servers); # Probability that the wait time will be less than a fixed maximum...
Platforms: *nix
License: Freeware | Size: 8.19 KB | Download (138): Math::Telephony::ErlangC Download |
Math::Telephony::ErlangB is a Perl extension for Erlang B calculations. SYNOPSIS use Math::Telephony::ErlangB qw( :all ); # Evaluate blocking probability $bprob = blocking_probability($traffic, $servers); $gos = gos($traffic, $servers); # Same result as above # Dimension minimum number...
Platforms: *nix
License: Freeware | Size: 24.58 KB | Download (259): Math::Telephony::ErlangB Download |