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Suppose I want to find the geodesic on a paraboloid going through two points located on the paraboloid, using Mathematica 12. I chose the paraboloid parametrization as follows:paraboloid[{u_, v_}]...
Asked on 07/28/2021 by user2286339
1 answerI'm seeking a refinement/extension of the excellent and very valuable solution appearing here. That solution indeed allows you to place text anywhere in a 3D graphics and then rotate...
Asked on 07/27/2021
1 answerI have some rules for differentiation:myD[-a_, o_] := -myD[a, o];myD[a_, -o_] := -myD[a, o];myD[a_ + n_, o_] := myD[a, o] + myD[n, o];myD[a_ b_, o_] := b myD[a, o]...
Asked on 07/27/2021
1 answerIs it possible to find the values of variables of a running Mathematica evaluation, without interrupting it? For example, suppose I do:Do[Pause[1]; a++, {50}]and then afterwards realize that the...
Asked on 07/27/2021 by Carl Woll
4 answerConsider the following numerical problem. One deals with transcendental complicated function f that depends on several parameters and three variables, say x, y and z. One wants to find roots...
Asked on 07/27/2021
0 answerI have a DynamicModule that contains a LocatorPane. The number of locators can be changed. The locators are labelled with a number. When the number of locators are changed the...
Asked on 07/27/2021
1 answerBug introduced in 8.0 or earlier and persists through 12.2 It affects all event based wrappers for affected primitives. E.g. EventHandler. Which makes it a big limiting factor. For more...
Asked on 07/27/2021
0 answerI'm trying to set up code that basically asks the user to input the values of a matrix with a certain key size. I want them to first enter the...
Asked on 07/27/2021 by Alex Konar
1 answerStart with the following plot:DateListPlot[FinancialData["IBM", "Jan. 1, 2004"]]I want to resize it to make it a bit wider, so I use SHIFT + Mouse1 on the right-bottom corner handle...
Asked on 07/27/2021
0 answerI'm running the codeeq1[v_] := eq1[v] = v[[2]] + Tan[[Pi]/6] v[[1]];In[271]:= Region@ImplicitRegion[eq1[{x, y}] == 4 && 0 < x < 2, {x, y}]Out[271]= Region[ImplicitRegion[And[And[80.61330507707726, 0 < x <...
Asked on 07/27/2021
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