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10
votes
3answers
240 views

Intermediate display similar to PrintTemporary

Using MMA we often come across situations like the following cityLIST = CityData[#, "Name"] & /@ CityData[]; This code if you evaluate will emit some display ...
9
votes
2answers
317 views

Why is ParallelMap way slower than Map

I recently tried to use ParallelMap instead of Map and to my surprise encountered that ...
2
votes
1answer
95 views

Graphing the amount of time a function takes

I know I can find out the amount of time a function takes to run like this: In:= function1[100] //Timing Out:= {0.043334, Null} How can I graph this over a set ...
20
votes
2answers
765 views

Efficient Generation of Random Variates from a Copula Distribution

I have a 7-asset portfolio for which I want to simulate daily log-deltas using a Student T copula. The marginal distributions are all either Stable or TsallisQGaussian. Using NMaximize, I have ...
9
votes
1answer
149 views

In version 10 EvaluationCompletionAction “ShowTiming” no longer gives useful output; any solutions?

Bug introduced in 10.0.0, fixed in 10.0.2 In version 10 using this Front End option no longer gives useful output: ...
5
votes
1answer
515 views

Simple countdown timer in Mathematica

I dug around a bit and did not find a simple and clear implementation of countdown stopwatch in Mathematica. I am looking for a function that takes as an input a certain integer and then counts down ...
5
votes
1answer
119 views

Systematic increase in runtime [duplicate]

When I run this simple code, which repeats many times the exact same operation (a differential equation), the runtime (given by Timing) increases systematically, ...