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  1. nicolagao

    how to read in an excel file properly in basic mode?

    I am trying to read in a .xls file with one column in text and one column of numbers. On Windows, '[num, txt]= xlsread(filename, ...)' works perfectly. Now, I want to run it on a Unix platform, which seems not supporting this command. Is there anything working like this command in basic mode? Or...
  2. nicolagao

    2d graph with 3rd dimension represented as color???

    Actually, my question is that I never know how to deal with cases outside square grids. Would anyone help me if I want to plot another grid? For example, a triangular grid, with the first 2 columns as (x,y) and the 3rd as some kind of intensity.
  3. nicolagao

    2d graph with 3rd dimension represented as color???

    If your 2d data is based on a square grid, you can try to convert your color column into a matrix with the location of each element corresponding the position on the square grid. i.e, a=[1,1,0;1,2,1;2,1,2;2,2,3] corresponds to [0,1;2,3]. then CONTOUR plotting.
  4. nicolagao

    reversing a colormap

    Hi, thank you for your advice. I know it's been a while since I posted it, but still thank you very much.
  5. nicolagao

    not enough memory......please help

    I was trying to open a .dat file by 'edit'. The file is about 14MB, but it always ends up showing "Not enough memory to read file contents: Java heap space" in the command window. Since it's not a large file at all, there is far more than enough memory left on my computer. I wonder if anyone...
  6. nicolagao

    reversing a colormap

    Can I do that? If I want, say the 'gray' colormap to be from 'white to black', instead 'black to white', is there any simple function doing that? Thanks!

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