Mathematica Weekly Newsletter
Mathematica Weekly Newsletter

Top new questions this week:

Adding Trace produces error messages

This is very strange. As I was trying to debug this problem, I noticed when I add Trace then I get lots of internal errors generated. This also happens the first time after the kernel is started. ...

error-tracking  
asked by Nasser 11 votes
answered by WReach 9 votes

Pattern matching with Complex. Feature or a bug?

I have run into some strange behavior while doing some pattern matching. First, this works as expected: Exp[2 I u x] /. Exp[Complex[0, a_] u x] :> a (* 2 *) However, when I replace x with ...

bugs pattern-matching complex  
asked by shopper 8 votes
answered by m_goldberg 4 votes

Can Mathematica be used for developing "normal" stand-alone softwares?

Can Mathematica be used for developing "normal" stand-alone softwares? I understand "normal" is not a very good qualifier. What I mean by it is softwares that people usually develop in Java and C++ ...

application  
asked by qazwsx 7 votes
answered by Gordon Coale 6 votes

Computer Modern Roman in Mathematica 8.0

What should be command for font style "Computer Modern Roman" in Mathematica, as the default font style of LaTeX is "Computer Modern Roman". Tried this Plot[z^2, {z, 0, 1}, PlotLabel -> ...

fonts  
asked by zenith 7 votes
answered by Szabolcs 9 votes

Computing launch parameters for hitting a point in 3D with projectile under influence of wind

The end goal of this problem is to compute functions which describe the launch parameters which are needed to hit a specified goal in 3D in the presence of wind disturbances. This is as far I have ...

plotting fitting modeling  
asked by Julian 7 votes
answered by belisarius 8 votes

Inconsistent behavior of undocumented Encode->Import->StringToStream->Get on password-locked stream

Let's save a definition. Encode it with password/key and Get it again. We will not use Get directly on directory but with combination of Get+StringToStream+Import. Get works with streams since V9.0 ...

export import packages security  
asked by Kuba 7 votes
answered by Jinxed 1 vote

Ghost trails with Animate?

What are some approaches to integrate Ghost trails methods with Animate, which otherwise seem more suited for exporting individual frames? For example, given this rootPlot function, how can trails ...

graphics animation  
asked by alancalvitti 7 votes
answered by Pickett 9 votes

Greatest hits from previous weeks:

Where can I find examples of good Mathematica programming practice?

I consider myself a pretty good Mathematica programmer, but I'm always looking out for ways to either improve my way of doing things in Mathematica, or to see if there's something nifty that I haven't ...

reference-request programming  
asked by J. M. 334 votes
answered by faysou 309 votes

Understanding differences between Maple and Mathematica in examples picked by Maplesoft

I am reading the document "How Maple Compares to Mathematica" found at http://www.maplesoft.com/products/maple/compare/HowMapleComparestoMathematica.pdf. On page 15 there is an example where ...

speed accuracy maple  
asked by Milenko Rubin-Zuzic 25 votes
answered by Mr.Wizard 30 votes

Can you answer these?

Evaluating documentation example crashes the kernel

Save your work before attempting: Could someone confirm what looks like a bug (definitely occurs in v10 and OSX 10.8.5): In the documentation for Background and under Neat Examples, the following ...

plotting documentation  
asked by gpap 1 vote

FindMinimum's WorkingPrecision behaviour

I discovered the following behaviour when using FindMinimum for constrained optimization: Clear@f f[x_?NumericQ] := (Print@Precision@x; x^2) FindMinimum[{f[x], x < 1}, {x, 1}, WorkingPrecision ...

mathematical-optimization precision  
asked by sebhofer 1 vote

Fourier transform of a real white noise on a 3D cubic lattice

I'm facing the following problem: I have a cubic domain of side $L=2\pi$; this domain is divided in a cubic grid, each side is divided in $N$ points, where $N$ is an even integer number. the ...

random complex fourier-analysis  
asked by user3810266 1 vote
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