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Performance Issues [slow/commands not working] - ASKSAGE: Sage Q&A Forum
I love sage and I think it's the best but I'm having some serious performance issues. Sometimes it takes like up to 15 seconds to compute trivial expressions. Most of the time, after some period of us...
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Questions - ASKSAGE: Sage Q&A Forum
Q&A Forum for Sage
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Questions - ASKSAGE: Sage Q&A Forum
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Ask.sagemath.org news digest
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9 months
Is there a SageMath version of Mathematica's '//' shorthand?
If I had some expression `x^2 + x^3 - 31` and I want to apply a previously defined function `f` to it, is there a quicker way of doing `f(x^2 + x^3 - 31)`? I'm thinking along the lines of Mathematica's `x^2 + x^3 - 31 // f`, where `//` applies the function...
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9 months
Finding minimum sub-algebra that contains a set
Hello, I'm trying to understand step 3 in the algorithm 1 provided in the paper "Algebraic Reduction of Hidden Markov Models" by Tommaso Grigoletto and Francesco Ticozzi.It requires me to compute alg($\mathcal{X}$) and it is defined in the paper like...
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9 months
Finding sup[er]groups of a group
Is there any implemented algorithm [or any algortihm which is not too slow or hard to implement] to find the ***sup***groups of a given group? More precisely, say I have a permutation group $H$ which is given as a subgroup of $S_n$ (the permutation group...
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9 months
Taking the closure of a braid as a link deletes unlinked components
There is a note in the reference manual about Links that even states that "The strands of the braid that have no crossings at all are removed". This is not the expected behavior and can cause trouble if you generate links using braids. I also don't know...
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