SymPy Alternatives
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libmaths
A Python library created to assist programmers with complex mathematical functions
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SciPy
Scipy library main repository
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Scout
Get performance insights in less than 4 minutes. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
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ModelingToolkit.jl
A modeling framework for automatically parallelized scientific machine learning (SciML) in Julia. A computer algebra system for integrated symbolics for physics-informed machine learning and automated transformations of differential equations
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NeuralPDE.jl
Physics-Informed Neural Networks (PINN) and Deep BSDE Solvers of Differential Equations for Scientific Machine Learning (SciML) accelerated simulation
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qtconsole
Jupyter Qt Console
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SymPy.jl
Julia interface to SymPy via PyCall
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Symata.jl
language for symbolic mathematics
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SymEngine.jl
Julia wrappers of SymEngine
Posts
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Python Math Library made in 3 Days as a 14 year-old - libmaths
Now compare that to SymPy: https://github.com/sympy/sympy/blob/9e8f62e059d83178c1d8a1e19acac5473bdbf1c1/sympy/ntheory/primetest.py#L472-L634
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Ask Anything Monday Weekly Thread
Haven't tried it myself. But maybe this library might work for you https://github.com/sympy/sympy
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This is the real answer, although the algorithm used seems to use a sieve rather than a naive check for (x & i == 0)
https://github.com/sympy/sympy/blob/219993505f88a8d6f825db1d...
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Doing Symbolic Math with SymPy
The trouble with SymPy is it's, well, buggy. I tried it years ago and as soon as I got serious I quite quickly ran into problems that I reported, some of which I see they apparently still haven't gotten around to addressing. [1] [2]
Symbolic math is hard; they have my sympathies. I don't think I could do better. But as long as bugs like these exist, it's going to be hard to convince people to switch away from better tools like Mathematica.
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The totient function.
https://github.com/sympy/sympy/blob/master/sympy/ntheory/factor_.py#L1908
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ODE logic in Rust
[1] https://github.com/sympy/sympy
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Math in GUI
You can use BytesIO instead of StringIO (see the StringIO deprecation issue and sympy docs for more info).
Stats
sympy/sympy is an open source project licensed under BSD 3-clause "New" or "Revised" License which is an OSI approved license.