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How to read in and assign values from a txt file?

I have a text file that I would like to import into Mathematica - after searching around the internet, I can't seem to find any pages that explain how to do this: The text file containes these four ...
0
votes
0answers
42 views

assigning numerical values to variable

I have a csv data file, has two columns of data. First column denotes time (t) and the corresponding value in the second column is flow rate (f). I would like to assign these values to an array f[t], ...
2
votes
2answers
689 views

How to set variable from imported data

I have an excel file i would like to import as data in mathematica with 3 columns like below: Column 1: the nodal numbers Column 2: the values of mx Column 3: the value of mxy Once ive imported the ...
1
vote
0answers
51 views

How to avoid import evaluation until if wil return true

My goal is to import a data from url that depends of 1 parameter, this initialy value is null or undifined en yo have to selec some popup and then the variable has value, what is the method to do that?...