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updated 2 years ago

Digital fractional-order differentiator and integrator - new IIR type by Ivo Petras

A new IIR type of the fractional-order differentiator and integrator. (fractional calculus, digital integrator, digital differentiato...)

sysdfod=dfod3(n,T,r)

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updated 2 years ago

Digital Fractional Order Differentiator/integrator - FIR type. by Ivo Petras

General FIR digital differentiator/integrator. (filter design, filter analysis, fractional calculus)

sysdfod=dfod2(n,T,r)

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updated 2 years ago

Digital Fractional Order Differentiator/integrator - IIR type by Ivo Petras

General IIR digital differentiator/integrator. (filter design, filter analysis, fractional calculus)

sysdfod=dfod1(n,T,a,r)

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updated 9 years ago

Lagrange Differentiator by Jianwen Luo

The digital differentiator from the Lagrange interpolation. (filter design, filter analysis, digital differentiato...)

filter_coefficient=lagrange_diff(filter_length)

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updated 11 years ago

A New IIR-type Digital Fractional order differentiator by YangQuan Chen

A New IIR-type Digital Fractional order differentiator. (filter design, filter analysis, iir)

sysdfod=newdfod(n,T,a,r)

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updated 11 years ago

Low-pass IIR digital differentiator design by YangQuan Chen

Low pass IIR Digital differentiator weighted Inverse Simpson and trapezoidal scheme. (filter design, filter analysis, iir)

[b,a]=lpiirdd(alpha)

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updated 11 years ago

Low-pass FIR digital differentiator design by YangQuan Chen

Low-pass FIR digital differentiator (LPFIRDD) design via constrained quadratic programming (QP). (filter design, filter analysis, fir)

[Copt,bd]=lpfirdd(N,alpha,beta,r,idraw)

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updated 11 years ago

nd5p.m by YangQuan Chen

Numerical differentiation for an equi-spaced one-dim array. (filter design, filter analysis, digital differentiato...)

[nd_outd]=nd5p(ind,hstep,npoints)

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