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65 views

I've stumbled across what seems to be a weird interaction of the NMinimize function. I'm minimising the function -Log[Sin[2x]] + a Cos[x]^2 for 0ドル < x < \pi/2$...
1 vote
0 answers
40 views

I use this code p1 = Graphics[{PointSize[0.05], Red, Point[{{4, 0}, {7, 0}}]}]; p2 = Plot[Sin[x], {x, 0, 10}, PlotRange -> {-2, 2}]; Show[{p1, p2}] which gives ...
2 votes
1 answer
151 views
4 votes
1 answer
125 views

Running FeatureSpacePlot[mols] gives me an interesting plot and I would like to understand the method. Does anyone know or can point me to a reference page on how ...
3 votes
1 answer
141 views

The documentation clearly states that for the symmetrical normal distribution RarerProbability[distribution,x] gives the two-sided p-value for x. Using direct ...
2 votes
1 answer
101 views

When I ask Mathematica (version 14.1) to do the following symbolic integration: ...
1 vote
0 answers
47 views

I am trying to add a title with a background color to my plot. Currently, using Framed inside PlotLabel only creates a box around the text itself. I want the background box of the title to: Span the ...
1 vote
0 answers
51 views

I would love to have a ToRules that can act on say Reduce output that preserves conditions that cannot be written as rules. Something that creates something like ...
0 votes
0 answers
53 views

The heat conduction equation of solar cells can't be solved. NDSolveValue::ndnum: Encountered non-numerical value for a derivative at x == 0. ...
3 votes
1 answer
88 views

I want to produce an SVG map by Mathematica that preserves tooltips that are in Mathematica so that they are also in the SVG. The problem is that the tooltips do not export. Here is an example: That ...
2 votes
2 answers
117 views

Example The notation $a\Downarrow_bc$ can mean something like "the program $a$ results in $c$ when executed according to the semantics of $b$". In Mathematica, I input this as ...
7 votes
0 answers
133 views

I think there might be an issue with CollinearPoints at least in the 14.2 Windows version I'm using. The issue arises where there are duplicate points and mixed ...
3 votes
2 answers
119 views

Trying to replace some of the expressions wrapped by Hold as below to get $\frac{k d\theta }{dt},ドル ReplaceAll does not replacing ...
3 votes
2 answers
281 views

I would like to have an idea what kind of curbe is being formed from the intersection of the plane $x+y+z=9$ with the surface $\sqrt{16-x^2}+\sqrt{25-y^2}+\sqrt{36-z^2}=12$ under the restriction $x,y,...
-1 votes
0 answers
103 views

The heat conduction equation of solar cells cann't be solved. NDSolveValue::ndnum: Encountered non-numerical value for a derivative at x == 0.`. NDSolveValue::femcnsd: The PDE coefficient -((2.4810^-...

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