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Mathematica : Recent Questions and Answers (Page 79)

Find answers to your questions about Mathematica or help others by answering their Mathematica questions.

TimeLinePlot: change the y-axes ranges

I want to combine a TimeLinePlot with a DateListPlot. My questions are:Can you change the Y-axes of a TimeLinePlot? Can you visualise the Y-axes of the DatelistPlot if you combine...

Asked on 06/12/2021

1 answer

How to catch complete error message information, including the message text as it would be printed?

If I evaluate this expression:Module[{}, 1/0;0^0]; msg = $MessageListI get:"Power::infy: Infinite expression 1/0 encountered. >>""Power::indet: Indeterminate expression 0^0 encountered. >>"{Power::infy,mrtError::function}How can I collect the complete error messages in...

Asked on 06/12/2021

5 answer

How to perform brute force method with Knapsack /0-1 money-changing problem, with the following table of potential knapsack items

This is the listing item with 400 as Knapsack size...items = Grid[{{"map", 9, 150}, {"compass", 13, 35}, {"water", 153, 200}, {"sandwich", 50, 160}, {"glucose", 15,...

Asked on 06/12/2021 by BossPascal

0 answer

DSolve and coupled linear first order PDEs

Does any one know a trick to make DSolve find solution to this coupled linear first order PDE system: (these are Cauchy-Riemann PDE equations, but with one of them having...

Asked on 06/12/2021

1 answer

Fourier Series plot

I'm trying to plot partial sum of Fourier series. I've finally managed to make it work but there are several things I don't understand f = Piecewise[{{Mod[x, Pi], Mod[x,...

Asked on 06/11/2021 by user2737248

1 answer

step size effectively 0 error in ndsolve

I am trying to solve the following equations in Mathematica using NDSolve. 1.Given Data(*Units*)AU = 1.496*10^11;Ms = 1.99*10^30;pc = 3.086*10^16;G = 6.67*10^(-11);Subscript[K, B] = 1.39/10^23;(*Given data*)n0 = 10^19;[Mu] =...

Asked on 06/11/2021

0 answer

Problem with DateHistogram Epilog

Bug introduced in 11.3 or earlier and persisting through 12.3.0 @Szabolcs reported this bug on the WRI Redmine bug tracker 11 months ago. It is still "In Progress".Epilog in...

Asked on 06/11/2021

1 answer

Series of inverse functions, unclear numerical constant

I was answering another question here and came up with this simple illustrative example that should have an analytic solution. Indeed it has, but I do not understand it. In...

Asked on 06/11/2021

0 answer

How to plot this FourierTransform?

I need to find the Fourier transform and plot the function: Delta(x-xo)I've already tried to write it as: FourierTransform [DiracDelta[x - Subscript[x, 0]], x, w] but it isn't working....

Asked on 06/11/2021

0 answer

Using Dynamic with a list of variables

I am trying to generate a table of InputFields with a list of variables. I am generating the variable names on the fly as the lists I am dealing with...

Asked on 06/11/2021 by user2253054

1 answer

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