Laplacian's user avatar
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Laplacian's user avatar
Laplacian
  • Member for 3 years, 2 months
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11 votes
2 answers
526 views

NIntegrate: the order of singular points matters!

7 votes
2 answers
577 views

Real-valued integral gives large imaginary part

6 votes
1 answer
202 views

What does it mean by order -1 of InterpolatingFunction?

5 votes
3 answers
543 views

`NIntegrate` with singularity does not work

5 votes
1 answer
266 views

ContourPlot plots an empty graph

5 votes
1 answer
138 views

Incorrect answer zero where correct answer is very large (precision issue)

4 votes
1 answer
110 views

Implementing summation under combinatorial restriction

3 votes
1 answer
77 views

Select with simplification does not work

3 votes
3 answers
185 views

Reducing the zero row/column of a matrix

3 votes
1 answer
159 views

Export a graph to pdf but size does not match

3 votes
1 answer
467 views

Is the default color for axis label black in `RegionPlot`?

3 votes
3 answers
145 views

Structuring convoluted list to the form useful in ListPlot

3 votes
3 answers
177 views

Draw blue and red lines alternatingly

2 votes
2 answers
104 views

Unexpected Behavior in `Sum[a + Subscript[a, 1], {a, 1, 2}]`

2 votes
2 answers
220 views

RecurrenceTable does not work for sequence of function

2 votes
1 answer
193 views

Solving PDE with prescribed rectangular mesh

2 votes
1 answer
73 views

"Sparse" Overflow error in NIntegrate

2 votes
1 answer
171 views

On multiple ListPlot

1 vote
2 answers
158 views

How to ContourPlot $f(x,y) \in 2\pi\mathbb Z$?

1 vote
3 answers
64 views

Solving a linear algebra problem of the form "For what $x$ below vectors are linearly independent?"

1 vote
0 answers
202 views

Exclusions in NIntegrate automatically uses GlobalAdaptive method?

1 vote
0 answers
47 views

Why RegionPlot plots only the first equation? [closed]

1 vote
2 answers
91 views

Changing list to tuple

1 vote
1 answer
46 views

Strange behavior of NIntegrate: small change of integration range give tremendous running time difference!

1 vote
1 answer
45 views

NIntegrate With Singularity: Experiment With Various Parameters

1 vote
0 answers
57 views

Strange behavior of typing a vector

1 vote
0 answers
41 views

What does it mean by the Alternatives symbol a|z? [closed]

1 vote
1 answer
59 views

ReplaceAll works and does not work for the same expression

1 vote
1 answer
56 views

Simple code of Manipulation not working [closed]

1 vote
2 answers
112 views

Simplifying expressions with `Sign` functions to a single piecewise format