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23/20 answers
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1h
awarded  graphics
1h
answered Dual complex integral over implicit path using contour plot
2h
reviewed Leave Open 6 columns output file
2h
reviewed Close FindFit set of {x,y} data
8h
comment Arbitrary precision calculation with NDSolve
Fix the precision of the differential equation. Or perhaps N@NDSolve... -- Problems with code often require the code for a definitive solution and answer.
8h
comment Implementing Newton's method
Note this is not Newton's method. According to the instructions, it is a method to be used instead of Newton's method (on a multiple root).
9h
comment Label points in a contour plot
Perhaps MapThread could be of help (instead of /@). And perhaps PointLegend[{Red, Green, Blue}, {"Min", "Max", "Saddle"}]. -- Some parts are not completely clear. You simply want to know how what is done? And I don't understand the last sentence. Can you help?
9h
comment Label points in a contour plot
Welcome to Mathematica.SE! I suggest the following: 1) As you receive help, try to give it too, by answering questions in your area of expertise. 2) Read the faq! 3) When you see good questions and answers, vote them up by clicking the gray triangles, because the credibility of the system is based on the reputation gained by users sharing their knowledge. Also, please remember to accept the answer, if any, that solves your problem, by clicking the checkmark sign!
9h
revised Label points in a contour plot
Fixed grammar
12h
comment NIntegrate fails to converge around a value out of integration range
You can use Integrate on an InterpolatingFunction. It usually works better.
12h
comment DE: Plotting a functional
Perhaps Plot[Evaluate[c /. qq], {t, 0, T}]? It will be hard for anyone to test, since your code is incomplete.
13h
comment How to solve a conditional inequality?
@user64494 You're welcome. Sorry for the slow response, and perhaps lack of clear thought & explanation -- I'm at a conference and my time is limited.
17h
revised How to solve a conditional inequality?
added 4 characters in body
17h
revised How to solve a conditional inequality?
rolled back to a previous revision
1d
comment How to solve a conditional inequality?
@user64494 Do you mean we should expect the answer to z <= 1 && z >= 1 should be, as a rule, an inequality?
1d
revised How to solve a conditional inequality?
Fixed code
1d
comment How to solve a conditional inequality?
@LLlAMnYP The 2's were left off accidentally. The output is correct.
1d
revised How to solve a conditional inequality?
Fixed code
1d
answered How to solve a conditional inequality?
2d
answered Finding intersections of two parametric curves