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Dec
12
comment How would I rotate a table of Cuboids around the y axis?
Do you want a surface of revolution? Or do you simply want to enable rotation of the cuboids?
Nov
29
comment ListPlot - coloring negative and positive points
The best answer was chosen after 43 minutes, 8 minutes after the first submission was made, after only 19 views and zero votes, while Asians and Pacific Islanders sleep,.
Nov
15
comment How to generate and draw simple bipartite graphs?
alancalvitti, Thanks for pointing that out.
Oct
25
comment How to combine solid objects using logical expressions?
` BooleanRegion, RegionUnion, RegionIntersection`, etc. will not work with mesh or boundary mesh regions in 3D. They will work with implicit regions, parametric regions, and their mixes.
Oct
24
comment How to combine solid objects using logical expressions?
A useful reference: reference.wolfram.com/language/guide/DerivedRegions.html
Oct
20
comment How to join two strings one of which is Subscript?
StringQ asked whether str was a string. Mathematica correctly answered, "False". Try str//FullForm or str//FreeForm to confirm the structure of str. Then try ToString[str] and see what you get.
Oct
13
comment Best way to find permutation with specific total
Thanks, Chris. I'm not sure how I got the wrong answer. Must have been running some earlier code that bound different values to combos.
Oct
13
comment Best way to find permutation with specific total
+1 But your approach is very straightforward.
Oct
13
comment Best way to find permutation with specific total
I believe you still have to find all the permutations of each of the partitions. (Permutations/@)
Oct
11
comment How to figure out the seed I used to generate several random numbers given that I didn't used SeedRandom at first place?
SeedRandom[n] does not use the time. SeedRandom[] uses system clock plus some unspecified system attributes. From what I understand, you did not use SeedRandom, so we cannot know what state the pseudo-random generator was in.
Oct
2
comment Multiple animation in Mathematica
+1 For the interesting use of RotationMatrix.
Oct
2
comment finding eigenvectors of a n*n symbolic matrix
You may be right. I didn't realize that this was a subtle problem. Thought it was a simple, direct issue.
Oct
2
comment Outputting numbers symbolically
To output Table[2^n, {n, 1, 5}] simply type "Table[2^n, {n, 1, 5}]" and hit <shift>+<return>
Sep
6
comment How do I draw a triangle given the lengths of the sides?
Yes, that makes things so much easier. There are other triangle options too. E.g. SASTriangle
Sep
5
comment Find intersecting rectangles groups
In v. 10 (which I do not have), it seems that RegionQ[RegionIntersection[rect1,rect2]] will be true if rect1 intersects with rect2.
Aug
30
comment Mapping points on the unit circle
Do the circle and square have the same center? (e.g. {0,0})?
Aug
30
comment Mapping points on the unit circle
Assuming that a map is a function, by what criterion should the mapping be done? Closest (highlighted) point on the unit circle?
Aug
8
comment Removing some data and replacing them with new ones
BTW, see Differences reference.wolfram.com/language/ref/Differences.html
Aug
8
comment Removing some data and replacing them with new ones
"remove the ones which are higher than a specific number"? Remove the differences? Or remove some elements? Or substitute some elements with new ones? Or add new elements?
Jul
11
comment Random numbers that sum up to specific value
george2079, Now I understand. Thanks for noting (and explaining).