Sjoerd C. de Vries
Reputation
48,756
109/100 score
 1d comment In 10.1.0 BenchmarkPlot doesn't work? 10.4.1 contains a definition of IndexBy in GeneralUtilities. 1d revised In 10.1.0 BenchmarkPlot doesn't work? added 16 characters in body May 3 comment Good way to create a similarity / distance matrix for a large dataset @AntonAntonov but DistanceMatrix is orders of magnitude faster than Outer for normal matrices. May 2 revised All Graphics3D commands crash edited tags May 2 reviewed Leave Open AltGr randomly stops working - Windows 7 May 2 reviewed Leave Open Getting DSolve to return different solutions May 2 comment Getting DSolve to return different solutions Looks like this should be listen with the bugs tag (introduced in 10.0, solved in 10.3?), not closed. May 2 reviewed Leave Open Reduce expressions modulo quadratic monomials more efficiently? May 2 reviewed Leave Open Wrong limit involving sine? Apr 27 reviewed Close How does d/dx (ln(1/x) + c) = d/dx (c - ln(x))? Apr 27 reviewed Leave Open How to use Mathematica to help me get highest score in every layout? Apr 23 reviewed Close Visualize a pretzel using a closed cubic B-spline and Tube Apr 23 reviewed Close How to plot a solution set? Apr 23 reviewed Leave Open Proving that Reverse[Reverse[x]]]=x Apr 23 reviewed Reviewed Density Plot: Colour Corresponding to Different Parts of a Function Apr 21 awarded Nice Answer Apr 20 comment Ordering of Eigensystem in symbolic computations Related or duplicates: 6420, 59172 Apr 20 comment How to determine distance of periodic features in measured dataset In your question you seemed to suggest that the cross was just an example of something to look for: "there are some periodic features (in this case a cross)". That was what I was referring to when I wrote "defining the feature". I wasn't referring to a characteristic of this feature (such as center or bounding box). Apr 20 revised rename files randomly edited tags Apr 20 comment rename files randomly @Wally To be sure: I'm not downvoting this. Note that this site is not about us doing your work, but more about us helping you get around problems and questions you encounter. Some effort from your side is appreciated.