Automatic Terrain Generation by Tucker McClure

A set a tools for generating artificial terrain and other rough phenomena mapped over a 2D surface. (terrain, landscape, mapping)

Demonstration of Algorithmic Terrain Generation

generate_brownian_mesh(n, zm)

generate_brownian_tri(n, nm, r0, el, rr)

Binary to Decimal coversion by Raviteja

Convert Binary to Decimal Equivalent. It also convert fractional binary values. (bin2decimal, binary to decimal, fractional)

DEC_VAL=bin2decimal(bin_num)

Step response invariant discretization of fractional order integrators/differentiators by YangQuan Chen

Compute a discrete-time finite dimensional (z) transfer function to approximate s^r, r = real number (fractional, fractional calculus, filter analysis)

[sr]=srid_fod(r,Ts,norder)

Impulse response invariant discretization of fractional order integrators/differentiators by YangQuan Chen

compute a discrete-time finite dimensional (z) transfer function to approximate s^r, r is real numbe (filter design, filter analysis, fractional calculus)

[sr]=irid_fod(r,Ts,norder)

ninteger by Duarte Valério

Toolbox to help developing fractional order controllers and assess their performance. (fractional, fractional plants, fractional control)

bodeFr.m

carlson.m

contfrac (x, n)

Octave centre frecuencies by Eleftheria

Calculation of centre frequencies for 1/(fr)-octave (spectral analysis, octave, frequency)

centr_freq(fr)

Fractional-order differential order equation solver by Farshad Merrikh bayat

This function solves fractional-order differential equation with constant coefficients (controls, fractional, differential equation)

fode2(v,c1,c2,r,h)

fshift by Francois Bouffard

Shifts the elements of an array by a (possibly non-integer) given number of elements. (fractional, utilities, shift)

fshift(x,s)

Hybrid Symbolic and Numerical Simulation Studies of Time-fractional Order by YangQuan Chen

Matlab code to duplicate all figures in the paper, self-containing. (symbolic math, numerical inverse lap..., fractional)

[ft,t]=nilt(F,tm);

[x,f,options]=solvopt(x,fun,grad,options,func,gradc)

apprgrdn(x,f,fun,deltax,obj)

fftfgn by Stilian Stoev

Simulates fractional Gaussian noise (FGN) *efficiently* by using the FFT. (statistics, probability, fgn)

fftconv(a,b,force);

fftfgn(sigma,H,n,N,M,force,varargin)