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  • Member for 9 years, 6 months
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9 votes
2 answers
3k views

How can I use ContourPlot to creat streamline: proper arrow orientation and correct domain?

9 votes
3 answers
408 views

DSolve—different solutions for same set of equations using different symbols?

8 votes
1 answer
1k views

How can I invoke the solution of NDSolve to determine a parameter in my equation just inside NDSlove?

7 votes
4 answers
1k views

How can I add a tangent arrow at a certain point of a curve in a LogPlot?

6 votes
3 answers
9k views

How can I obtain a smooth curve from my data but preserve two inversion points

6 votes
1 answer
2k views

How can I improve ContourPlot to get smooth curve?

5 votes
1 answer
843 views

Electric field produced by a capacitor consisting of two parallel plates of different lengths

4 votes
2 answers
461 views

How to propel the integration of time a little bit further? Numerical solution can not evolve to the max time

4 votes
2 answers
3k views

How can I plot a 3-variables function to identify the neutral surface and a region

4 votes
2 answers
928 views

How can I use legend in ContourPlot3D and add arrowheads for axis?

4 votes
1 answer
189 views

Can anyone help me to get the solution of this first order ODE?

4 votes
1 answer
173 views

Why I can not get the plot when I use NDSolve`ProcessSolutions?

4 votes
1 answer
96 views

How to use `Abs` within `Event` with a function of several variables?

3 votes
1 answer
182 views

Help with solving a PDE and plotting its solution

3 votes
0 answers
588 views

Can I use Mathematica 9.0 to open an MX file produced by Mathematica 10?

3 votes
1 answer
332 views

Failed to create a special random-disturbed initial condition for partial differential equation [closed]

3 votes
1 answer
212 views

How can I connect the local minimum-value points between a series of curves by dotted lines?

3 votes
1 answer
105 views

Let Monitor show the result returned by Module?

3 votes
2 answers
367 views

Problem with solving a linear ODE with a parameter

2 votes
1 answer
108 views

Another solution to a simple DE given by DSolve: not the one I expected

2 votes
1 answer
523 views

How to linearize an expression involving derivatives?

2 votes
1 answer
549 views

How to use initial fixed timestep, then decrease it according to dependent variable, while spatial stepsize is fixed

2 votes
0 answers
253 views

How can I do multiple (double) integral with periodic boundary conditions?

2 votes
1 answer
750 views

Help me export high-resolution TIFF figure

2 votes
2 answers
1k views

Problem in solving a simple Laplace equation

2 votes
1 answer
200 views

Export the animation labeled with time in the animation?

2 votes
1 answer
1k views

How to define a complex function with assumptions?

2 votes
1 answer
45 views

Help with evaluation of the differential of a BSplineFunction?

1 vote
0 answers
322 views

How to understand the symbolic integral in a result returned by DSolve?

1 vote
0 answers
95 views

Eliminate a variable from a differential equation and an algebra equation then collect the remaining variables