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May
3
answered Having the derivative be an operator
Apr
30
comment Behavior of ImportString in Mathematica
+1. InputForm rules!
Apr
23
comment How to solve a problem in relative motion?
When you use recursion in that way, you need to define everything for the case 0, in your example code you have not defined Pxi[0], Pyf[0], Pxf[0]; define them and you will get rid of the $RecursionLimit error.
Apr
20
revised Efficiently deleting rows in many large text files
Change of Import by Run.
Apr
20
comment Efficiently deleting rows in many large text files
If no output is expected, would not be Run better?
Apr
20
comment Reproducing nested loops using Map?
Table approach is very useful and makes very clear code. I use to recomend its usage too. The only detail to take into account is that sometimes you need to Flatten the output.
Apr
19
comment Can TextRecognize read digits?
but very nice to play with it!
Apr
19
comment Can TextRecognize read digits?
Yes, doing some test, I would have expected something like this to work: TextRecognize[Rasterize[5]]. And it seems that image size matters a lot: TextRecognize[Rasterize[50868, ImageSize -> 300]] vs TextRecognize[Rasterize[50868]]. Something else to take care when using TextRecognize.
Apr
19
comment Can TextRecognize read digits?
If I try TextRecognize@d2[[1]], it doesn't work. Neither works for me TextRecognize@ImageAssemble[d2[[1 ;; 2]]], but TextRecognize@ImageAssemble[d2[[1 ;; 3]]] does. Do you know any minimun requirements for TextRecognize?
Apr
19
comment How to visualize/edit a big matrix as a table?
Works very quick!!! And expression capacity is already there (you can enter whatever in your cells and it works nice). Now to replace excel let's add capacity for Column/Row references to cells :P.
Apr
19
comment How to visualize/edit a big matrix as a table?
In your editMatrix function after your edit, you changed m by a, which is wrong. Something else, to make it work properly, you need to add Attributes[editMatrix] = {HoldAll}. It's a very nice solution!
Apr
17
comment Maximizing a function with assumptions
Solve[f'[s] == 0, s] says it cannot solve the system.
Apr
13
answered Locking a value when Manipulating variables
Apr
13
comment How to add several Locators to a Graphic with a mouse click?
Sorry, I didn't noticed it's you :P. Anyway it's good to have the link as reference for anyone who lands in this related question.
Apr
13
comment How to add several Locators to a Graphic with a mouse click?
You could see this question and its answers: mathematica.stackexchange.com/questions/4179/…
Apr
12
revised How To interactively create a Polygon in a Graphic?
added 342 characters in body
Apr
12
answered How To interactively create a Polygon in a Graphic?
Apr
10
awarded  Nice Question
Apr
7
comment GeoDirection and GeoDistance Memory Leaks: How to Recover the Memory?
No, the problem is in the Geo functions, they have the memoization problem.
Apr
7
comment GeoDirection and GeoDistance Memory Leaks: How to Recover the Memory?
It is not a memory leak, it is a memoization problem.