Solving $L=\frac 3 2 \sqrt 4 \pi ^2 A^2+W^2 -\frac \sqrt 5 W \sqrt 4 \pi ^2 A^2+W^2 +6 \pi ^2 A^2+3 W^2 \sqrt 2 +\frac 3 W 2 $ for $W$
Finding Limits in several variables
Drawing a square root spiral
How do I get the inverse of a homogeneous transformation matrix?
Is there an open source implementation of Mathematica-the-language?
How can I create an empty JSON object?
How to find the position of elements in a list satisfying criteria
Solving $L=\frac 3 2 \sqrt 4 \pi ^2 A^2+W^2 -\frac \sqrt 5 W \sqrt 4 \pi ^2 A^2+W^2 +6 \pi ^2 A^2+3 W^2 \sqrt 2 +\frac 3 W 2 $ for $W$
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=57763
When I solve the aforementioned equation for $W$ or $A$ on Mathematica I get a long and ugly equation in return, namely one of the solutions for $W$ is: (attempt to read at your own health) ... [equation-solving] [functions] [approximation]
asked by J.D'Almbert https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19257 Score of
8 answered by Alexei Boulbitch https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=788
Score of 15 Finding Limits in several variables https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=21544
Is there a way to find a limit of a multivariable function, like $$\lim_{(x,y)\to (0,0)} f(x,y)$$ with Mathematica? When $f$ is continuous, we can use $$\lim_{(x,y)\to (0,0)} f(x,y)=\lim_{(x,0)\... [functions] [calculus-and-analysis]
asked by Dominic Michaelis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5899
Score of 34 answered by whuber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=91
Score of 44 Drawing a square root spiral https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=66969
Here is a start. I'm looking for a nice way to draw it. ... [graphics] [geometry]
asked by matrix42 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5379 Score of
26 answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362
Score of 25 How do I get the inverse of a homogeneous transformation matrix?
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=106257
I want to get the inverse of this homogeneous transformation matrix: iab = { {1, 0, 0, 0}, {0, 0, -1, 0}, {0, 1, 0, 3}, {0, 0, 0, 1} } using the ... [matrix] [linear-algebra] [inverse] [geometric-transform] [rotation]
asked by andrestoga https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=37677 Score
of 7 answered by march https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29734
Score of 15 Is there an open source implementation of Mathematica-the-language?
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4454
I've seen questions before such as "What is the best open-source equivalent for Mathematica?", but that specific question (and that line of inquiry in general) cares more about the computer algebra ... [programming] [open-source]
asked by sblom https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=178 Score of
131 answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34
Score of 95 How can I create an empty JSON object? https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=50727
For creating non-empty object, I use following syntax ExportString[{"key" -> "value"}, "JSON"] (*{"key" : "value"}*) But how can I create an empty object? ... [export] [conversion] [json-format]
asked by molekyla777 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=11981
Score of 10 How to find the position of elements in a list satisfying criteria
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=180
Say I have a list x={2,4,6,8,10} and I want to find out the positions of the elements that are greater than 7. ... [list-manipulation]
asked by PeterR https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=140 Score of 76 answered by J. M.'s missing motivation https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50
Score of 80