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  1. zephilly

    HELP how do i write data into txt file

    i want to write data into a txt file like x = 0:.1:1; A = [x; exp(x)]; fileID= fopen('exp.txt','w'); fprintf(fileID,'%6s %12s\n','x','exp(x)'); fprintf(fileID,'%6.2f %12.8f\n',A); fclose(fileID); But it always show that Error using fprintf Invalid file identifier. Use fopen to generate a...

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