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The simplification of `cos(arccot(x)` is according to [wikipedia](https://en.wikipedia.org/wiki/Inverse_trigonometric_functions#Relationships_between_trigonometric_functions_and_inverse_trigonometric_…
hr87 updated
8 months ago
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See https://github.com/sympy/sympy/pull/9294. A new PR had all the commits from it and was merged. The PR was old and didn't have release notes, resulting in an error from the bot.
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On sympy 1.12.
`sympy.erfinv` is not valid on expression `1 - small`. I would expect it to return the same as a `erfcinv(small)` call.
It needs some extra care to make it work.
It looks like it…
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It is important that (add x y z) can match to (add a b) with for example
associative
```
{a: (add, x, y), b: z}
```
commutative
```
{a: z, b: (add, y, x)}
```
This can be costly but is quite doa…
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ik its old but it does not work for me idk why heres the error:
C:\Users\user\Downloads\ZealotSniper-main\ZealotSniper-main>run.py
No sympy found
Traceback (most recent call last):
File "C:\Us…
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I've been looking at the matrix power functions in SymPy and Ruby recently - in particular, wondering why SymPy is so slow for very large power compared to Ruby (which is surprisingly fast). Notably, …
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@czgdp1807
This is the output you get if you call Expectation or variance
```python
>>> from sympy.stats import density, MatrixStudentT, E, variance
>>> v = 2
>>> M = MatrixStudentT('M', v, [[1,…
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A few months ago NumFocus selected my proposal to implement a new plotting module for SymPy. Now that the development is done, @oscarbenjamin and @asmeurer suggested to open this issue in order to un…
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In master:
Different result for pretty print on two python scripts
``` python
from sympy import *
x = Symbol('x', real=True)
solve1 = sympify('((Abs(2*x+3)))+((Abs(7-3*x)))', evaluate=False, locals={…
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```python
>>> from sympy.polys.ring_series import rs_series
>>> from sympy.abc import a, b
>>> rs_series(sin(a**QQ(3,7))*exp(a + b**QQ(6,7)), a, 2)
Traceback (most recent call last):
File "/usr…