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

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

5 votes
1 answer
843 views

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

2 votes
1 answer
108 views

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

2 votes
2 answers
1k views

Problem in solving a simple Laplace equation

3 votes
2 answers
367 views

Problem with solving a linear ODE with a parameter

3 votes
1 answer
105 views

Let Monitor show the result returned by Module?

0 votes
2 answers
128 views

Problem about vanishing determinant of a matrix with NSolve

4 votes
2 answers
928 views

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

6 votes
1 answer
2k views

How can I improve ContourPlot to get smooth curve?

0 votes
1 answer
386 views

Generate a small random disturbance on a flat surface for NDSlove

0 votes
3 answers
428 views

How to simplify an expression by substitution?

3 votes
1 answer
182 views

Help with solving a PDE and plotting its solution

2 votes
1 answer
45 views

Help with evaluation of the differential of a BSplineFunction?

2 votes
1 answer
1k views

How to define a complex function with assumptions?

8 votes
1 answer
1k views

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

4 votes
2 answers
3k views

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

4 votes
1 answer
96 views

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

2 votes
1 answer
523 views

How to linearize an expression involving derivatives?

0 votes
0 answers
43 views

Why doesn't replace and evaluate? [duplicate]

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

9 votes
2 answers
3k views

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

0 votes
0 answers
207 views

Speed up the Eliminate

1 vote
0 answers
95 views

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

0 votes
1 answer
159 views

Can I tell DSolve to solve a first-order ODE by method of separation of variables?

1 vote
0 answers
322 views

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

3 votes
1 answer
332 views

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

2 votes
1 answer
750 views

Help me export high-resolution TIFF figure

3 votes
0 answers
588 views

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

2 votes
1 answer
200 views

Export the animation labeled with time in the animation?

1 vote
1 answer
1k views

NDSolve with initial condition: initial conditions did not evaluate to an array of numbers of depth 1(for 1D) or 2 (for 2D) on spatial grid