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I am very new to mathematica and I tried to give my best shot at animating the 2d heat equation with a given initial condition:heqn = D[u[x, y,...
Asked on 01/16/2021 by Mayur Matada
1 answerWhat is the proposed approach if one wants to simultaneously fit multiple functions to multiple datasets with shared parameters? As an example consider the following case: We have to...
Asked on 01/16/2021
5 answerI am attempting to obtain the analytical solution (if possible) to the following: $$a w^{(1,0)}(x,t)+b w^{(0,1)}(x,t)=p(x)+g w(x,t)$$$$I.C.: w(x,0)=0 | B.C.: w(0,t)=z(t)$$Clear["Global`*"]a = v;b = 1;g...
Asked on 01/16/2021 by Scott G
1 answerWhen attempting to overlay a Discrete Plot on a Histogram, no matter the order I pass each argument in Show, the Histogram stacks over the Discrete Plot. Is it possible...
Asked on 01/16/2021 by BOUNCE
2 answerBoxWhiskerChart can detect and show outliers:SeedRandom[39]BoxWhiskerChart[ RandomVariate[NormalDistribution[], 100], "Outliers"]What is the precise mathematical criterion used to decide if a point...
Asked on 01/15/2021 by Szabolcs
2 answerLet's say I have defined a function zO for the following up-valueszO/:zO[x_]+zO[y_]:=zO[x+y];zO/:zO[x_]+zo[y_]:=zO[x+y];zO/:zO[x_]-zO[y_]:=zO[x+y];Now I want to define another function zOE which have the same up-values. How can I do this...
Asked on 01/15/2021
1 answerI have this image: and I would like to measure the average distance between the red dots.It is important...
Asked on 01/15/2021
0 answerI have a function of k (written in the form of a table/list to get values) for 16 integer values from 1 to 16:f = Table[3*k*k, {k, 1, 256}]I...
Asked on 01/15/2021 by tabi_k
5 answerI have a table of the form xrange={0.1,1,0.05}yrange={3000,15000,100}tab1=Table[{x,y,z[x][y]},{x,xrange},{y,yrange}]where z[x][y] comes from previous calculation and is a set of numerical values. I would like to do a contour plot, but...
Asked on 01/14/2021 by Carrie
1 answerI didn't use Mathematica for years and I am VERY rusty regarding the best way to solve this problem : 2*vectk.vectG = G^2, k = 2*pi/lambda I have the G...
Asked on 01/14/2021
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