Mathematica Asked on December 28, 2021
I am importing data from ParallelTable
as dat
file and then export it again for visualization. However, the exported data contains a quotation " "
and can not use ListPlot
, here is an example
Y = ParallelTable[{x}, {x, -20, 20, 2}] // AbsoluteTiming;
Export["...\Hello3.dat", Y];
data = Import["...\Hello3.dat"];
the imported data has this form
{{0.0326645}, {"{-20}", "{-18}", "{-16}", "{-14}", "{-12}", "{-10}",
"{-8}", "{-6}", "{-4}", "{-2}", "{0}", "{2}", "{4}", "{6}", "{8}",
"{10}", "{12}", "{14}", "{16}", "{18}", "{20}"}}
If I use ListPlot[data[[2]]]
it does not give output. So how can I avoid these quotations from the beginning with keeping AbsoluteTiming
?
Well, I have not dug very deep in this issue but just post my experience. And not about why but about how to get rid of the quotation marks.
When I deal with plaintext-wise data, I just use Put
to store the data and later use Get
to get it back in the same form as I Put
it, without the requirement to set up other options. In your case, this should work:
Put[Y, "Hello3.dat"];
data = Get["Hello3.dat"]
No directory specified explicitly means that $UserDocumentsDirectory
(at least in Win 10) is used. You can specify other directory if you prefer.
Answered by Αλέξανδρος Ζεγγ on December 28, 2021
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