All Questions
6 questions
0
votes
1
answer
43
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Something goes wrong calculating the slope of the simulation
In this python code we are trying to simulate the path of a frisbee that is being shot from a shooter with a certain angle (alpha0). The angle of attack should be the angle at which its being shot, ...
- 13
1
vote
0
answers
255
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How can I process large 3D grids of background data in Python to be quickly accessible for calculating numerical integrals dependent on the grid data?
The Problem
I'm a physics graduate research assistant, and I'm trying to build a very ambitious Python code that, boiled down to the basics, evaluates a line integral in a background described by very ...
- 11
0
votes
1
answer
679
views
Numerically Solving A Multivariate Differential Equation Without odeint
I am curious. I know this can be solved by using odeint, but I'm trying to do it from scratch, and I've encountered an interesting behaviour.
Assume a simple oscillator, of equation m * x_ddot + k * x ...
1
vote
0
answers
96
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Numpy: different values when calculating a sum of a sequence
I'm using scipy.integrate's odeint function to evaluate the time evolution of to find solutions to the equation
$$ \dot x = -\frac{f(x)}{g(x)}, $$
where $f$ and $g$ are both functions of $x$. $f,g$...
- 11
2
votes
2
answers
3k
views
Python numerically solved harmonic oscillator graph generates unwanted results
Ive been trying to numerically solve for the graph of a basic harmonic oscillator but a problem occurs when acceleration on the object is proportional to the inverse of the distance from the centre:
...
1
vote
1
answer
573
views
non linear least square fitting with the variable as the integration limit
I'm trying to make some non-linear fittings with python which involve an integral, and the limits of the integral depends on the independent variable. The code is the following:
import numpy as np
...
