Recent questions tagged numerical

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numerical methods - Solve non-linear non homogeneous differential equation with python (Duffing oscillator)

I try to solve the Duffing equation using odeint: def func(z, t): q, p = z return [p, F ... 65873525/solve-non-linear-non-homogeneous-differential-equation-with-python-duffing-osci...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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numerical methods - Power spectral density in python

I have analytical and numerical solutions for differential equations: # define system of motion equations def ... .com/questions/65882894/power-spectral-density-in-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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numerical methods - Lack of 'convergence' in MATLAB's bvp5c

I am trying to solve the following set of 2nd order non-linear and coupled ODEs: 0 = ??2 ?″(?? ... https://stackoverflow.com/questions/65928938/lack-of-convergence-in-matlabs-bvp5c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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numerical integration - Integrating over a root in R

I built a model that unfortunately does not provide analytical solutions for some of the variables so I need ... stackoverflow.com/questions/65643765/integrating-over-a-root-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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numerical methods - Ode-system output gives null values in Matlab

I am trying to compute the numerical solution (over the interval [0,2]) for this system of differential equations using the Runga Katta ( ... )*sum(b.*ky4); end txyz = [t,y1,y2,y3]...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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