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Dec
11
answered How can I make a pretzel shape using Bézier curves?
Dec
10
revised How to remove duplicate elements from two separated lists efficiently?
added 184 characters in body
Dec
10
revised How to remove duplicate elements from two separated lists efficiently?
added 276 characters in body
Dec
10
answered How to remove duplicate elements from two separated lists efficiently?
Dec
8
revised Can I convert a list of units to a different base set?
added 66 characters in body
Dec
8
answered Can I convert a list of units to a different base set?
Dec
7
comment How can I calculate $(y - A \,x)^{T}(y -A\,x)$ symbolically?
Also relevant: mathematica.stackexchange.com/a/40368/242 (esp. the first three paragraphs)
Dec
2
comment Repeatedly applying a function
@holistic: Sure, just apply Flatten and DeleteDuplicates earlier
Dec
2
revised Repeatedly applying a function
added 657 characters in body
Dec
2
answered Repeatedly applying a function
Dec
2
revised How to solve Quadratic Program in vector form?
added 177 characters in body
Dec
2
answered How to solve Quadratic Program in vector form?
Nov
27
revised How to extract a region shape from an 2 colour image?
typo
Nov
27
answered How to extract a region shape from an 2 colour image?
Nov
26
comment Finding pixel coordinates from morphological components
Except that those aren't coordinates, they're array indices. Indices start at the top-left corner, which is 1/1, and the first index is the row (y-direction). Coordinates start at the bottom-left corner, which is 0/0, and the first coordinate is the x-direction. If you need coordinates, and you don't want to do the error-prone conversion yourself, the easiest way is probably PixelValuePositions[Image[#], 1]& - might be slower, though.
Nov
11
comment How to extract “this text” between specific characters: 1) this text 1)
@NicolasJosephScozzaro: There are great websites like regex101, where you can test regular expressions online. If you plan to do a lot of text processing, do yourself a favor and google for tutorials about regular expressions. They're not hard to use, and make text processing so much easier...
Nov
10
comment How to simplify writing LibraryLink code?
Ah, I see now. I've looked in the reference page for LibraryFunctionLoad, but memory management options weren't mentioned there. I've used LTemplate to access "libSVM" for machine learning (more options and faster than Classify), and it worked perfectly! Thank you very much for this.
Nov
10
comment How to simplify writing LibraryLink code?
Wow, this is really, really great! Question: In LFun["compute", {{Real, _, "Constant"}}, "Void"],, what does "Constant" mean?
Oct
28
comment Computing a mean of median list of points
@N.J.Evans: It's consistent with most of the other statistical functions like Mean or Variance, which all treat a 2d array as a list of multivariate data samples. And if you're working with multivariate data, that is very useful.
Oct
17
answered Does LinearSolve know that I gave it a Sparse lower triangular matrix?