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Is there any way to take the nth derivative of a function (without making a function for each individual derivative). i.e.
```math
f(x) = x^3
```
```math
f_n(n, x) = \frac{d^n}{{dx}^n} ( f(x) …
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Hi @jishnub, thanks for providing this library. I've been using it for Ambisonics 3D audio processing. I saw you adding new normalizations. I was wondering if you could add an option for SN3D normaliz…
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### Is your feature request related to a problem? Please describe.
The orthogonal polynomial factory functions in `scipy.special` return legacy `numpy.poly1d` instances. In numpy 1.4, the `numpy.poly…
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There is a standard for the class of numerical functions that are needed in scientific computation. Traditionally, that was for a long time the "blue book" *Handbook of Mathematical Functions", by Abr…
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## Implementing Automatic Differentiator
This issue tracks the implementation of an automatic differentiator for the expression compiler. The compiler parses expressions into binary trees, and this…
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Using: `sympy 1.2 py36_0 conda-forge`
~~Sympy cannot identify the Legendre equation with classify ODE:~~
```
Derivative(((1-x**2)*Derivative(f(x),x))…
ghost updated
3 years ago
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## What qualifies as Freeform?
There are many answers to this question, but DWK's answer it is a surface described by an orthogonal and complete polynomial set where the constituent terms of the po…
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While moving to arb 2.13.0 in Sage (see upstream ticket [#24927](https://trac.sagemath.org/ticket/24927)) I noted the following enclosure regressions
```
********************************************…
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I have a bunch of homeworks and activities organized as Jupyter notebooks using nbgrader ([linked from course page](https://github.com/cu-numcomp/numcomp-class/)). The activities are simple demonstrat…
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In the C++ unit tests of the `FunctionalChaosAlgorithm`, we may use the exact coefficients of the Ishigami test function.
The following coefficients were computed by @regislebrun using Maple:
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