Roman

Switzerland

Programming in Mathematica since 1994.

Here's my book on how to dig into quantum physics with Mathematica.

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Why is Unevaluated[#]& different from Unevaluated?

functional-style unevaluated asked Jan 8, 2018 at 19:18

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28 votes

When is ##@@@##& more appropriate than ##@@##&?

syntax pure-function asked Apr 1, 2022 at 4:51

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18 votes

Find a sequence in the binary digits of π

code-golf sequence binary pi asked Jan 4, 2021 at 14:08

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16 votes

ls Ordering[Ordering[list]] optimal?

list-manipulation performance-tuning sorting permutation asked Mar 28, 2019 at 10:57

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13 votes

How to invert MapIndexed on a ragged structure? How to construct a tree from rules?

list-manipulation data-structures trees asked Mar 29, 2019 at 21:15

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13 votes

Is there a faster way to calculate Abs[z]^2 numerically?

performance-tuning numerics complex asked May 10, 2019 at 14:17

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13 votes

Repeated string pattern: difference between the FrontEnd and WolframScript?

front-end pattern-matching string-manipulation parsing input-forms asked Aug 7, 2019 at 18:18

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10 votes

Mathematica seems confused about Kilograms vs KilogramsForce

units asked Feb 19, 2019 at 13:04

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10 votes

Operator currying: how to convert f[a,b][c,d] to {a+c,b+d}?

core-language functional-style operators currying asked Jun 15, 2019 at 12:30

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9 votes

Simple way to group the list-indices of equal elements?

list-manipulation gathering asked Dec 29, 2019 at 21:10

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Top Answers

How to verbalise code in Mathematica?

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Eigenvalues broken in Version 12.0

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Optimization of function taking a permutation

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Creating the Yin Yang symbol with minimal code

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How can I make assignments persist across sessions?

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$\int \frac{\tan^2 x}{1+x^2} dx$

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Mathematica command that allows it to read my intentions

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How can I construct this matrix?

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Plotting the Star of Bethlehem

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What happens if you don't Reap what you've Sown?

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Why are Quantity and Units inconsistent with regular Mathematica behavior?

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Replacement of Do loops

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Has Mathematica 12 gotten worse at solving simple equations?

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How to find constant term of binomial

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Naming arguments in Wolfram functions?

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The most efficient algorithm to find all possible integer pairs which sum to a given integer

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How to project 3d image in the planes xy, xz, yz?

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How to convert this term to a Hypergeometric function?

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Help with Double Sum (lattice sum) over all integers m,n of 1/(a+m^2+n^2)

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Can this notation be computed in Mathematica?

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Is there a faster way to solve this linear programming problem?

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How to speed up large double sums in a table?

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Combination several If conditions in a loop

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How to compute RandomReal faster?

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Generating a list of integers that sums to zero

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Fastest way to go from linear index to grid index

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generating tuples of ones and zeroes with a fixed number of ones

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Speed up averaging of numerically solved differential equations

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Ragged Transpose

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How to formulate this problem in Mathematica?

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