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Oct
9
answered Sublist pattern matching
Oct
9
answered What is the best way to write a polynomial in the Bernstein basis?
Oct
9
answered Converting image data to array
Sep
30
comment Factor out square root terms
Simplify[Sqrt[x^3]Sqrt[x - a x]/x, x > 0]
Sep
15
comment Wrong answer from DSolve?
The answer satisfies $u(x) = \left(u'(x)-\frac{1}{n+1}\right)^2$.
Sep
14
comment Composition à la Mondrian
There is a "visual design" under the neat examples for grid that is a bit Mondrianish.
Sep
13
awarded  Good Question
Sep
12
awarded  Nice Answer
Sep
12
answered Homotopy Visualization
Sep
9
comment Creating a variable from Reduce[] output in Mathematica
x = c /. ToRules @ Reduce[...]
Sep
9
revised Force change in aspect ratio of Inset image
added 243 characters in body
Sep
9
answered Force change in aspect ratio of Inset image
Sep
4
comment How to make a case insensitive sorted list and rename the file names of a given folder?
The built-in IntegerString will do what your NumberPad is doing.
Sep
3
awarded  Enlightened
Sep
3
awarded  Nice Answer
Sep
3
revised Eliminate 3 Variable from 4 Equations
improved formatting
Sep
3
comment Eliminate 3 Variable from 4 Equations
@Mr.Wizard Because I'm lazy and I already have more internet points than I can spend. But I found something interesting about the answer. Behold!
Sep
3
answered Eliminate 3 Variable from 4 Equations
Sep
3
comment Eliminate 3 Variable from 4 Equations
If you get rid of the double angles first, it works fine. Try eq = TrigExpand @ {...
Aug
25
comment Missing arrow tips and colors
Graphics3D can take a list of primitives, so you don't need a separate Graphics3D for each arrow. You can also have nested lists to provide scoping for your styling. E.g. Graphics3D[{{Red, Arrow[...]}, Arrow[...], ...}]