Differential And Integral Calculus

This submission contains the basic functions that are necessary for using the matrix approach to discretization of fractional differential equations, and demos. The method is described in the following articles:[1] I. Podlubny, "Matrix approach to discrete fractional calculus", Fractional...

Quick Calculus, a simple yet powerful tool for computing the derivatives, integrals, Taylor series, and limits of functions. KeatsSoft Quick Calculus helps you quickly find the solutions of calculus problems, freeing you from the tedious manipulation of mathematical equations. Through an...

a powerful, easy-to-use, equation plotter with numerical and calculus features: - Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations. - Up to 999 graphs on screen at once. - New data plotting and curve-fitting features. -...


Platforms: Windows

The Discrete Event Calculus Reasoner is an open source program for performing automated commonsense reasoning using the event calculus, a comprehensive and highly usable logic-based formalism. It solves problems efficiently by converting them into satisfiability (SAT) problems. Features: - Comes...


Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

This code computes the approximation of the convolution integral (*) between two functions, f(t) and g(t), sampled at the times t1,t2,...,tm (unit spacing), via the trapezoidal quadrature rule. To compute the integral with other than unit spacing, multiply the result by the spacing...


Platforms: Matlab

The linear Stochastic Differential Equation (LSDE) is very widely used equation in the noise analysis of LTI circuits. It involves the input signal to be perturbed with Gaussian white noise. To find the solution statistics like mean, varaiance is a tasking job and requires full power of...


Platforms: Matlab

This function calculates the fresnel cosine and sine integrals.Input:y = values for which fresnel integrals have to be evaluatedOutput:FresnelC = fresnel cosine integral of yFresnelS = fresnel sine integral of yAdapted from:Atlas for computing mathematical functions : an illustrated guide for...


Platforms: Matlab

One of the fundamental motivations for feature selection is to overcome the curse of dimensionality problem. This code presents a novel feature selection method utilizing a combination of differential evolution (DE) optimization method and a proposed repair mechanism based on feature distribution...


Platforms: Matlab

Fortran Calculus Compiler: Calculus level computer languages are Fortran Calculus and PROSE. Both languages are based on what is called "Automatic Differentiation" (AD). Calculus languages simplify computer coding to an absolute minimum; i.e., a mathematical model, constraints, and the objective...


Platforms: *nix

ODEcalc for Windows: An Ordinary Differential Equation (ODE) Calculator! State your equation and boundary or initial value conditions and it solves your problem. Plots solution y and derivative ydot versus x. Solves most Boundary Value Problems (BVP) and Initial Value Problems (IVP) for...


Platforms: Windows, Windows 8, Windows 7, Windows Server

Integral FTP project allows web developers to embed a fully featured FTP GUI client directly into their web pages.. Uniftp is a cross-platform FTP scripting language and shell. The FTP shell makes it easy to write FTP scripts that can then be run automatically. Uniftp supports FTP, FTPS (FTP over...


Platforms: *nix

Modest Ordinary Differential Equation Library is a C++ library to model rate equations. MODEL is a numeric simulation library written during my PhD to simulate systems of rate equations describing Vertical Cavity Surface Emitting Lasers (VCSELs). I decided to write one myself after looking at...


Platforms: *nix

Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors. Maxima yields high...


Platforms: Mac, Linux

This contribution provides functions for finding an optimum parameter set using the evolutionary algorithm of Differential Evolution. Simply speaking: If you have some complicated function of which you are unable to compute a derivative, and you want to find the parameter set minimizing the...


Platforms: Matlab

A differential equation can be solved by several methods. I have presented the simulink method to solve the differential equ. The que is showed in the screenshot.Queries and Comments are dearly invited.


Platforms: Matlab

This function solves the linear fractional-order differential equations (FODE) with constant coefficients. The short memory principle has not neen used here, so the length of input signal is limited to few hundred samples. The parameters of the FODE (in its standard form) are the inputs of this...


Platforms: Matlab

The Fuzzy Relational Calculus Toolbox is companion software to the book Fuzzy Relational Calculus - Theory, Applications and Software (with CD-ROM) by Ketty Peeva & Yordan Kyosev, ISBN 981-256-076-9, Advances in Fuzzy Systems Applications and Theory - Vol. 22, World Scientific Publishing...


Platforms: Matlab

Basic examples of using trapz and quad to evaluate the integral of two simple known functions between defined limits.A for loop is used to loop over the upper limits of integration. The results are compared to show the greater accuracy, efficiency and ease of use of quad for a known function


Platforms: Matlab

This code implements a Markov chain Monte Carlo algorithm which automatically and efficiently tunes the proposal distribution to the covariance structure of the target distribution. This is achieved while maintaining the target distribution as the stationary distribution of the Markov chain. The...


Platforms: Matlab

The Fixed Torque Dynamo and Motor Model solves the coupled differential equations for an electric motor driven by a dynamo (generator). The model can be used as to illustrate elementary instabilities or bifurcations discussed in courses about nonlinear oscillators and dynamical systems. When the...


Platforms: Mac