Recent content by jd83605

  1. J

    Mathematica Mathematica and large data arrays

    It turns out if I remove the "FormattedData" option from the import command ListPlot works fine. Apparently, that option doesn't put the numbers in the approrpiate format. I truncated the data to make it easier to observe. That is why it appears as a vertical line. Thanks for your input.
  2. J

    Mathematica Mathematica and large data arrays

    Thanks for the input. I was able to extract the data using a variation of what you gave me. However, I cannot make it plot. I simply get a default graph from -1 to 1 on both axes and no data. Here is what I was able to do. In[127]:= tmp = Import["E:/filename.xlsx", "FormattedData"][[1, 3...
  3. J

    Mathematica Mathematica and large data arrays

    Hi, I have imported a data set from EXCEL that is 18 columns wide and 25 rows long. Each row of data appears within it own set of brackets as expected. I am able to pull out individual elements of the array. However, I want to plot column 2 vs column 4. How might I extract those two columns...
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