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Can anyone help me please? I don't want a Histogram; I don't want a BarChart, not even a ListPlot with drop down lines. I want a list plot with drop...
Asked on 04/29/2021 by Uttam Pal
2 answerIn the tutorial entitled "Hierarchical Drawing of Directed Graphs" in Mathematica 12, there is an example of how to draw a graph with several properties I want, but it uses...
Asked on 04/29/2021
1 answerI am finding roots of a polynomial equation using Solve. However, two of the five roots given by Solve do not satisfy the equation. Here how I do it:delta...
Asked on 04/29/2021 by Gaurav Maurya
2 answerI have this code for three graphs shown side by side. They have the same x,y ranges:data1 =Table[{i,0.3*i},{i,-2,40,5}];modelx = LinearModelFit[data6, x, x];data2 = Table[{i,0.3*i},{i,-2,40,5}];modely = LinearModelFit[data8, x, x];data3= Table[{i,0.3*i},{i,-2,40,5}];modelz...
Asked on 04/29/2021
1 answerI am interested to implement this operator: $$(ln D)[f] =left(frac{i pi}{2}-gammaright) f(x)+frac{1}{2},text{P.V.}int_{-infty}^infty left(frac{1}{x-x'}-frac{1}{| x-x'| }right),f(x'),dx'$$ The second term is problematic. Any suggestions? P.S.Some expected...
Asked on 04/28/2021
0 answerI work on magnetohydrodynamics theory, and encounter lots vector differentiation, integration, Fourier transforms etc, often in curved co-ordinates. I was hoping where I could get a comprehensive tutorial (as text...
Asked on 04/28/2021 by duality
0 answerGiven a listlst = {{{"1","2","3"},{"4","5"},{"6","7","8","9"}}, { "A","B","C","D","E","F","G","H","I"}, { "9","8","7","6","5","4","3","2","1"}};How to get this by Partition.res...
Asked on 04/28/2021
4 answerdelta = -0.823g = 0.000005sol = NDSolve[ {a'[t] == -I*a[t] (delta + g*Re[b[t]]) - a[t]*0.04 /2, b'[t] == -I...
Asked on 04/28/2021 by BenXylona
3 answerI am trying to show general cases of symmetry of regions. However, for the following, Reduce does not finish:Reduce[ForAll[x, x > 0, ! (RegionMember[ImplicitRegion[(0 <...
Asked on 04/28/2021 by Aharon Naiman
2 answerNB: By higher-genus surface, I mean a closed orientable surface of genus at least 2. This question has come up before on math.SE, and even MathOverflow, but most posters suggested...
Asked on 04/28/2021 by Steve D
6 answerGet help from others!
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