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Hi, i have this error when running my regression programme: Error using - Matrix dimensions must agree. Error in mpg_regression (line 55) X21 = X11-mean(X11); My arrays are all 1x82 (i checked using disp(size())). Any help would be appreciated.
Assuming the clarifications in my comment on the question are confirmed, there are a few quick answers. 1) Run your code in ...

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