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SciPy numerical integration routine returns a negative absolute error estimate
Sometimes scipy.integrate.quad returns a negative estimate of the absolute error in the result. For example,
import scipy.integrate
def f(x):
ep = 1e-5
return (1 / (x - 0.5 + 1j * ep) ** 2).r...
tueda
Votes: 0
Answers: 1
I am trying to evaluate double integral on octave
So I have need to evaluate double integral on octave[![question][1]][1]
>> x1 = 1;
>> x2 = 0;
>> y1 = 2;
>> y2 = 0;
>> f = @(x,y) (y-x)./((x+y).^3);
>> integral2(f,...
Muhammad Shamil Umar
Votes: 0
Answers: 2
Differing results of integrals from scipy.integrate and mpmath.quad
I am integrating a function to implement the functions in this paper and I observe different outputs from scipy.integrate.quad and mpmath.quad as per the following:
import mpmath as mp
from scipy impo...
Anil
Votes: 0
Answers: 0
Python: Solve autonomous second order ODE
I have the following autonomous system of ODEs where x and v are vectors (with initial conditions x0 and v0)
dx/dt = v
dv/dt = F(x, v)
Equivalently, one can write it as a second order ODE system
d^2...
Euler_Salter
Votes: 0
Answers: 1