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Sergio Parreiras's user avatar
Sergio Parreiras's user avatar
Sergio Parreiras's user avatar
Sergio Parreiras
  • Member for 11 years, 9 months
  • Last seen more than a month ago
5 votes
1 answer
549 views

RegionPlot3D and Texture

4 votes
2 answers
1k views

Permutations: any implementation of the Cayley distance?

4 votes
3 answers
155 views

Plotting the image of a function of 3 variables in $R^3$

3 votes
4 answers
651 views

In a long sum, how can we find how many terms are preceded by the plus (or minus) sign

3 votes
0 answers
310 views

Deciding whether a semi-algebraic set is empty. Which command is best?

2 votes
1 answer
398 views

Reduce not solving linear equation

2 votes
0 answers
96 views

Parallelizing code, any tips?

2 votes
2 answers
143 views

A curve is below surface but it appears cutting the surface instead

2 votes
2 answers
122 views

Puzzling behavior produced by Exists

1 vote
1 answer
116 views

Help with Reduce, quadratic system of inequalities

0 votes
1 answer
181 views

Two questions on strategies for quantifier elimination

0 votes
0 answers
105 views

Using ParametricPlot to Display result of Maximize