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### Name: Determinant of a square matrix
### About:
This issue proposes adding an algorithm to compute the determinant of a square matrix. The algorithm will handle n x n matrices and will us…
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Imported from SourceForge on 2024-07-05 22:39:48
Created by **[charpent](https://sourceforge.net/u/charpent/)** on 2016-11-12 10:49:06
Original: https://sourceforge.net/p/maxima/bugs/3239
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Maxima…
rtoy updated
4 months ago
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```
i = Symbol("i", integer=True)
n = Symbol("n", integer=True)
expr = And(Eq(i, 2 * n), Le(i, 2*n -1))
```
I would expect that `expr.simplify()` yields `False`, but it does not.
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```
What steps will reproduce the problem?
1. Modify the test_tridiagonal example that comes with cudpp. The function
testTridiagonalDataType declares an array of systemSizes as follows:
int sys…
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Hi there,
I am reading through some of the documentation and the section `FEValues` was not so straightforward to read for somebody coming from a background where tensors are not common. I think m…
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## Main idea
Many models of interest (especially, in life sciences) have linear first integrals (for example, conservation of mass, etc.). If there is such a first integral `a_1 * x_1 + ... + a_n *…
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Hi,
I have these equations:
```
x**2 + y**2 + 2*x*y*sin(a) == 5**2
y**2 + 2*x**2 - 2*x*y*cos(a) + 2*x*y*sin(a) == 5**2
4*x**2 + y**2 - 4*x*y*cos(a) == 5**2
```
These can be easily solv…
beew updated
10 months ago
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I am trying to introduce a time-varying parameter following an SDE into an `SDESystem` obtained from Catalyst.jl `ReactionSystem`.
However, when I want to create an `SDEProblem` from the composed `SD…
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```
import sympy
x, y, z, e1, e2, c1, c2, c3, c5, s1, s2, s3, g1, g2 = sympy.symbols("x y z e1 e2 c1 c2 c3 c5 s1 s2 s3 g1 g2")
fx = x*(x - 1)*(c1 + c2*y*z - c2*y - c2*z - e1 - e2*y*z + e2*y +…
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Apparently if you give PreTeXt an `` but the contents of the `` are not enclosed in `` (e.g. if you just give it a ``), it will not display the numbering. The solution is to enclose the `` in ``, whi…