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3
votes
1answer
81 views

Parallel Apply on a deeply nested expression

I have a deeply nested expression, i.e. something like {{{{...}..}..}..}, and I'd like to use Apply in a parallel fashion, e.g. ...
0
votes
1answer
38 views

Importing 2D array of image

Suppose images = {{1.jpg,2.jpg},{3.jpg,4.jpg}} Now I try to import all of them in level 2, Map[Import[#],image,{2}] Why Mathematica says it is invalid file? (error= Import::chtype)
2
votes
0answers
30 views

Is there an equivalent to MovingMap[] for functions that work on more than one TimeSeries?

I have a family of functions that require two TimeSeries (A and B). As a trivial example, imagine a function called beta[tsA_,tsB_] that determines the slope of the linear regression line for the ...
0
votes
0answers
73 views

map of Europe as histogram

I want to make a histogram using the map of Europe, such as this or similar: thanks to all
0
votes
0answers
123 views

Strange ParallelMap behavior

Let the symbol V denote an element of some vector space and nV its norm. Let lin be a linear ...