Inverse Of A 2x2 Matrix

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

This script contains a function to check on the occurence of a set of characters. Platforms: Windows, Mac, *nix, Python, BSD Solaris

This script defines the Matrix class, an implementation of a linear algebra matrix. Arithmetic operations, trace, determinant, and minors are defined for it. This is a lightweight alternative to a numerical Python package for people who need to do basic linear algebra. Vectors are implemented as... Platforms: Windows, Mac, *nix, Python, BSD Solaris

This script presents you three ways to calculate a distance matrix out of a list of n-dimensional points using scipy. Platforms: Windows, Mac, *nix, Python, BSD Solaris

[h,varargout]=plotColumns(data,varargin)plots columns of a matrix as if each column is a time seriesUSAGE:plotColumns(data);[h] = plotColumns(t,data);[h] = plotColumns(t,data,{colors});[h] = plotColumns(t,data,'plotopt');[h] = plotColumns(...,'plotopt');[h] = plotColumns(...,{colors}); Platforms: Matlab

Geo::Inverse is a Perl module to calculate geographic distance from a lat & lon pair. SYNOPSIS use Geo::Inverse; my $obj = Geo::Inverse->new(); # default "WGS84" my ($lat1,$lon1,$lat2,$lon2)=(38.87, -77.05, 38.95, -77.23); my ($faz, $baz, $dist)=$obj->inverse($lat1,$lon1,$lat2,$lon2);... Platforms: *nix

VMatrixLib is a little, handy, Java matrix library which implements a set of utility functions (such as calculus of the determinant of a matrix, calculus of the rank, inverse matrix, and many others..) that anyone who have to use matrices needs. Platforms: Windows, Mac, Linux

This module first does a net view command , and gets the list of computers in the domain. It connects to each computer , performs size check and returns the size of the harddisk. Please note that , the file and dir sizes are caluclated in DOS. Windows performs a sort of approximation. So there... Platforms: Windows, Python,

This script uses the Linux SIOCGIFADDR ioctl to find the IP address associated with a network interface, given the name of that interface, e.g. "eth0". The address is returned as a string containing a dotted quad. Platforms: *nix, Python, BSD

This script contains a function that given a sequence and a number n as parameters, returns the th permutation of the sequence (always as a list). Platforms: Windows, Mac, *nix, Python, BSD Solaris

The program takes the columns of an input matrix and calculates the auto and cross correlation of these columns using an fft method. The result is very similar to the xcorr function. This method could be used to evaluate the cross correlation of repeating code sequences, and other similar... Platforms: Matlab

It is a new block simulink of a CHAO emetter and receptor called the CHAOVI1ETRT.The program will be well outliner in other versions by controlling the linear part and the non linear part of my chao systemVI1. Platforms: Matlab

While working with a histogram we may need to detect a peak or crest of the histogram.But the histogram contains a number of local minima & maxima which makes the histogram extremely uneven.While detecting a peak or crest we are intended to detect the global peak or crest.This code replaces every... Platforms: Matlab

We use a batch column with four theoretical plates to separate a binary mixture of water and methanol at 1 bar. Temperature and concentration profiles versus time are obtained for a reflux ratio equal to 10. In addition, the total moles in the still and distillate are plotted versus time. This... Platforms: Matlab

function alt_km=ITU_P1511(lat,long)computes altitude of a site at given lat,long coordinatesby means of bicubic interpolation using itu topo 0.5 degrees resolutionmatrix.refer to ITU-R Recommendation P 1511.INPUTSlat: latitude + = North, -=southlong: longitude, positive degrees East.Required... Platforms: Matlab

The velocity and shear stress versus radial position are determined for laminar flow of a Carreau fluid in a pipe. The shooting method is used to verify the no-slip boundary condition at the piped-deOaos wall. Once the velocity at the center is determined, the governing Differential Algebraic... Platforms: Matlab

The wheeled mobile robot dynamics are studied from standard papers available on the topic and non-linear feedback linearlization is done to reduce the equations of motion to a second order dynamic equation of the error of position of the wheeled robot. AVI file recording is also available for... Platforms: Matlab

The velocity and shear stress versus radial position are determined for laminar flow of a power law fluid in a pipe. The shooting method is used to verify the no-slip boundary condition at the piped-deOaos wall. Once the velocity at the center is determined, the governing equation is solved... Platforms: Matlab

The goal of this assignment was to develop a Speed control system for a DC motor. Various control methods were to be employed, both open loop and closed loop. All control methodologies are implemented using MATLAB GUI. The important feature of the system is the auto-calibrate function which... Platforms: Matlab

A very simple code written by taking help from one of the control systems book. Task was to take a MIMO system where observations are less than states, then to check whether system is controllable or observable, then its design of feedback control loop, then non interacting control, then... Platforms: Matlab