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Apr
25
comment Mathematica Precisions vs Doubles in C/C++
@romanovzky I don't know much about linear algebra software, but I think that Armadillo's results may be influenced by the underlying BLAS/LAPACK implementations. I'm on OS X using it's built-in Accelerate framework (the default for Armadillo). On Linux Armadillo would be using some other BLAS depending on its configuration.
Apr
25
answered Verifying the outputs of 'Solve'
Apr
24
comment ParallelTable and DistributeDefinitions
@EmilioPisanty You know why that is. Describing every corner case is not always the most useful answer to a question.
Apr
24
awarded  Good Question
Apr
23
comment What do the lines in a ContourPlot Mean?
It's explained well here: en.wikipedia.org/wiki/Contour_line The value of the function doesn't change as you move along a contour.
Apr
23
comment Intel Graphics Driver Crash and Recovery messages with 3D graphics?
Your OS is relevant too.
Apr
22
awarded  Notable Question
Apr
22
comment Drawing dynamical trajectories diagram in Mathematica
I think GraphLayout -> "LayeredDigraphEmbedding" should select the proper root vertex for a directed tree. If not, it has ` "RootVertex"` suboption.
Apr
22
answered Getting ordered coordinates out of ConvexHullRegion
Apr
22
awarded  numerics
Apr
21
comment Epilog not working
To find the source of the problem, break down your code to small pieces, and try to isolate the one causing trouble. The error message suggests that you should try to evaluate {0, y1[0]} on its own.
Apr
21
comment ParametricPlot3D etc. with parameters satisfying an implicit relation
Related: mathematica.stackexchange.com/questions/5968/…
Apr
21
comment How to plot a solution set?
Actually ... this is a duplicate of a question I answered and I have completely forgotten about. So it's quite embarrassing that I said that it's not possible ...
Apr
21
answered How to plot a solution set?
Apr
21
revised How to simplify writing LibraryLink code?
added 184 characters in body
Apr
21
revised Mathematica Precisions vs Doubles in C/C++
added 4 characters in body
Apr
21
revised Mathematica Precisions vs Doubles in C/C++
added 4 characters in body
Apr
21
answered Mathematica Precisions vs Doubles in C/C++
Apr
21
comment Proving that Reverse[Reverse[x]]]=x
@QuantumDot Well, it can be inactivated, but Mathematica still doesn't have any functionality to prove things about how code runs, and I think Reverse is still meant to be a programming construct and not meant to represent maths ...
Apr
21
comment Solving pure functions
Please reformulate the question a bit more concisely, like this: "I tried this code. I expected this output. I got that output instead."