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CurvFit 5.11
CurvFit (tm) is a curve fitting program for Windows 95/98. Lorentzian, Sine, Exponential and Power series are available models to match your data. A Lorentzian series is highly recommended for real data especially for multiple peaked and/or valleys data. CurvFit is an example of Fortran Calculus programming... ie. minutes to solve, days or years to understand solution and what it implies (e.g. wrong model, sampling rate error, etc.). Helps learn 1) whether math model is good for given data; 2) convergence implies a reasonable solution; 3) how to select new starting initial parameter values. See comments in EX*.? files for ideas on how to converge via solvers. Equation Calculator and Hardcopy Plot prints are now (6/2005) available.
Tags: curve, fitting, data, math, modeling, sine, series, lorentzian, exponential, power, equation, calculator, fortran, calculus, programming, language, compiler, curve fitting, data fitting, math modeling, sine series, lorentzian series, exponential series, power series, equation calculator, fortran calculus programming, fortran calculus language, fortran calculus compiler, … Match n Freq 5.09
Pulse shaping filter program that finds the pole-zero locations of a transfer function, H(s), for a matched filter. H(s) equals a -desired- signal (Yout) divided by a given input signal (Yin). Both Yout and Yin are functions of frequency.
Group delay may also be calculated to compliment a given data set, thus, providing a flat group delay.Minimizing Intersymbol Interference in a read/write channel for disc drives by shaping and slimming an isolated readback pulse was the main objective for writing this program. For more info, see Kost, R. and P. Brubaker; 'Arbitrary equalization with simple LC structures'; IEEE Transactions on Magnetics, Nov. 1981, pp 3346-3348 or visit http://www.digitalcalculus.com/page/785704. This is a Fortran Calculus demo application. Tags: matched, filter, pulse, slimming, shaping, intersymbol, interference, optimization, fortran, calculus, programming, language, compiler, matched filter, pulse slimming, pulse shaping, intersymbol interference, fortran calculus programming, fortran calculus language, fortran calculus compiler, … Conv For Bas 3
Thousand VB lines written in one click! You have FORTRAN programs and you wish to migrate or renovate them : we propose a very good tool for FORTRAN to Visual BASIC source code conversion. It manages to translate more than 90 % (in some cases 100 %) of FORTRAN commands into VB. The Fortran/VB converter translates: Declarations of variables, If, beginnings and ends of procedures, Do (several syntaxes), Write and print in a textual file, extractions of strings (nn:mm) etc. The new version 3 include a module to make changes in source files, as add or remove lines, count key words, change sentences, concatenate files, ... and a module to change date/hour on many files in one click.
Tags: fortran, net, dot, vb.net, development, visual, basic, vs2005, dot net, visual basic, … ODEcalc 5.11
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 Nth order ODE. ODE may be non-linear, implicit, and any order. Source code included ... it's short! Great teaching tool! Helps students understand difference in BVP and IVP plus their importance in solving practical ODEs. ODE and algebraic system of equations may be solved using the methodology in this demo. Hardcopy prints in Windows is now available. This is a Fortran Calculus demo application. Tags: ode, calculator, differential, equations, science, engineering, teaching, ordinary, equation, fortran, calculus, programming, ode calculator, differential equations, ordinary differential equations, ordinary differential equation calculator, differential equation calculator, fortran calculus programming, … Match-Freq 5.07
Pulse shaping filter program that finds the pole-zero locations of a transfer function, H(s), for a matched filter. H(s)
equals a -desired- signal (Yout) divided by a given input signal (Yin). Y's are in freq. A Fortran Calculus demo application
Tags: matched, filter, pulse, slimming, shaping, intersymbol, interference, optimization, fortran, calculus, programming, language, compiler, matched filter, pulse slimming, pulse shaping, intersymbol interference, fortran calculus programming, fortran calculus language, fortran calculus compiler, … |