https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=218535
How can I determine if two mutable data structures (DataStructure) are truly the same? I do not mean checking if they have the same value. I mean checking if they are the same data structure, i.e. ...
asked by Szabolcs ( https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 ) 15 votes
answered by ilian ( https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=145 ) 14 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=217230
Mathematica has very high quality and extensive documentation and good getting help system (? Solve as an example; there maybe are more too). Is there all including official documentation about ...
asked by vasili111 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=11639 14 votes
answered by WReach https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=142 11 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=217226
I’m trying to make a ContourPlot3D that needs to be transparent. With transparency, however, something odd happens.
With PerformanceGoal->"Speed", the colors look fine.
With ...
asked by Peter Todd Williams https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70508 11 votes
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=218539
When I divide this number by zero I get this for an answer. ans = 2345900/0 What is surprising is that in taking the square root, Mathematica seems to map the entire universe to some town ...
asked by MikeY https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47314 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=217227
I want to draw a parametric equation with ś like the figure below: But I don't get the result I want when I run the following code. What can I do to get it? ParametricPlot[{x, śx^2}, {x, 0, 1}, ...
asked by Please Correct GrammarMistakes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42417 9 votes
answered by Mr.Wizard https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=121 16 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=217205
In[71]:= 0.6*0.8048780487804877` Out[71]= 0.482927 In[72]:= 0.3*0.8414634146341463` Out[72]= 0.252439 In[74]:= (0.6*0.8048780487804877`) + 0.3*0.8414634146341463` Out[74]= 0.735366
asked by htam_ujn https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70502 9 votes
answered by m0nhawk https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2342 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=217169
I have a 2D rectangular domain with -L/2 < x < L/2 and 0 < y < D0, which is divided into two parts, with a sinusoidal curve y == 1 + Cos[2 Pi x/L] separating the two. I want to solve ...
asked by Physicist https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41581 8 votes
answered by user21 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18437 8 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=736
I quite often would like to draw graphics in my LaTeXdocuments using Mathematica. I have encountered three problems. I would like to know if there are any workarounds to these problems
I would ...
asked by Thomas Rot https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=227 124 votes
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 45 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=188139
Some (older) members of this group might remember playing vinyl LP records. Recently, at the Abbey Road studio there was a spiroglyphics coloring book for sale. It looks like a nice programming ...
asked by TheDoctor https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2263 13 votes
answered by b3m2a1 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38205 18 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=24169
I’m new to Mathematica and I need to ask how to graph a sphere, cylinder, etc.. using cartesian equations.
For example in sphere’s case \(x^2+y^2+z^2=1\)
I tried to use Plot3D but it doesn’t ...
asked by German https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7145 7 votes
answered by Dr. belisarius https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=193 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19669
Some time ago I asked myself: with all these great graphics and interactive capabilities of Mathematica, what kinds of 3D games can be implemented in it? And the answer which came to mind is ...
asked by faleichik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=219 163 votes
answered by faleichik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=219 232 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=136974
My little brother asked me to print original mandalas for coloring. I would like some idea on how to create them, but without color, so he can color them.
asked by zeros https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26849 69 votes
answered by Anton Antonov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34008 93 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3506
I am wondering what is the correct function in Mathematica to plot the true impulse function, better known as the DiracDelta[] function. When using this inside of a function or just the function ...
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 17 votes
answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 19 votes
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)
asked by J.D’Almbert ( https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19257 ) 8 votes
answered by Alexei Boulbitch ( https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=788 ) 13 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=217164
Code as following:
In[1]:= constants = Quantity /@ {"PlanckConstant", "BoltzmannConstant", "MolarGasConstant"}; Print[UnitSimplify[ UnitConvert[Quantity["AvogadroNumber"]*constants[[2]]]] // N];
asked by ( https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19360 ) 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=218431
I have a list of prices and a list of dates, but I have 154 more prices than dates. So I want to delete random prices to match both lists, however, every time I run the block of code I get a different ...
asked by trashparticle https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=71573 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=218297
I have a work flow that involves initially specifying a matrix function (or a matrix of functions), e.g. f[x_]:={{Exp[x],Sin[x]},{Cos[x],Log[x]}}
This works well for what I am using it for. I can ...
asked by user3353819 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34650 1 vote