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```julia-repl
julia> using DynamicPolynomials
julia> import MutableArithmetics
julia> const MA = MutableArithmetics
MutableArithmetics
julia> @polyvar x
(x,)
julia> MA.operate!(-, 2x, 3…
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I recently found this library and found it to be very useful and wish I knew about it years ago.
Is it possible/easy to implement `aac_congruence` using the machinery defined here?
For example, befo…
aa755 updated
3 months ago
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It may be beneficial to add hypothesis testing to some of our tests. Hypothesis testing allows for us to verify mathematical properties such as commutativity:
```python
from hypothesis import giv…
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I wanted to multiply two quaternions, however qalc seem to produce this kind of output:
```
> (1+2i+3j+4k)
error: Trailing characters "j" (not a valid variable/function/unit) in number "3j" wer…
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I would like to be able to use quiver in a dark theme. Browser plug-ins like [the Dark Reader](https://darkreader.org) does not work well with arrows in the commutative diagram, so maybe a native dark…
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As of 9d596d13b088a78e772ae58adfbd3cc1fd91f021, this snippet exposes the problem.
```
Axiom BYTE : Set.
Axiom CAST : nat -> BYTE -> BYTE.
Axiom XXX : BYTE.
Axiom PROP : forall {A : Type} (x : A),…
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**Describe the mistake**
I struggled a bit with understanding this sentence, which I think is grammatically incorrect.
"*Only in two dimensions vector rotations are commutative,*"
**Location**
…
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I created two fermion objects f_1 and F_1 and added F_1_f_1 term which maintains its order. But when I add F_1_CreateDS(f_1) it becomes DS(f_1)*F_1. Have just repaired this by modifying CreateDS, Crea…
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A question that comes up a LOT in the gitter room is how to traverse a `Map`, our standard answer is that you can't unless you import alleycats instances or use `SortedMap` instead.
UnorderedFolda…
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The following code example results in an error on the `.doit()` line for sums:
```python
from sympy import *
k = symbols('k', real=True, positive=True)
f = Sum(1, (k, 0, 0))
f.doit()
```
No…