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1d
comment solving non-linear set of equations using NSolve in order to get all roots
Here goes a numerical solution for you {phip -> -1.2873402582429818, t -> 414.62463948474345}. As far as I can see there is no real root for t<0. Also using Plot3D I doubt if there is any solution to {S1==0, S2==0} for t>0 and phip>1. Function is also unbounded in that region.
1d
reviewed Approve cells tag wiki excerpt
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reviewed Approve cells tag wiki
1d
reviewed Approve Extract information from HTML using CSS selectors?
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reviewed Approve graphs-and-networks tag wiki
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reviewed Approve procedural-programming tag wiki excerpt
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reviewed Approve procedural-programming tag wiki
Jul
24
comment Using Compiled Function in Implicit Region
If you are unhappy with the warning message try this cf = Compile[{{x, _Real}, {y, _Real}, {z, _Real}}, -x y z]; TEST[x_?NumericQ, y_?NumericQ, z_?NumericQ] := cf[x, y, z]; RegionPlot3D[ ImplicitRegion[ TEST[x, y, z] > 0, {{x, -5, 5}, {y, -5, 5}, {z, -5, 5}}]]
Jul
23
comment Solving an NODE in series
You have two answers here as well as some informative comments. mathematica.stackexchange.com/questions/25363/…
Jul
23
comment CompilationTarget to C takes long compilation time
With Windows 8.1 and Visual Studio 2013 I am also getting 2 sec for f2. I guess its machine specific compiler issue.
Jul
22
reviewed Approve Can't load LevelScheme package
Jul
17
revised How to obtain the area enclosed by such a curve?
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Jul
17
revised How to obtain the area enclosed by such a curve?
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Jul
13
reviewed Approve Why does NDSolveValue giving crappy results?
Jul
13
awarded  Notable Question
Jul
7
reviewed Approve Random non-overlapping disks in a square
Jul
3
awarded  Nice Answer
Jul
3
comment Cluster numbers into n partitions so that each partitions sum is closest to total/n
Ya that might be the case @LLlAMnYP
Jul
2
reviewed Approve How I can integrate $\int_0^{a} x e^{-\frac{b^2 x^2}{2 c}} J_0(n x) dx$?
Jul
1
revised How to create a thick spiral then extract the coordinates from the image?
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