how to stop variable auto display in command window

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pierre
pierre 2012-2-15
评论： Jack Giunta 2019-10-15
Hi everybody,
everytime I create a variable (ie a = zeros(n,n,n)) and do operation on the matrix created like a :
for i=1:n
a(i,0,0) = log(tmp(i) / tmp(i-1);
end
the matrix is being displayed in the command window (in the for loop, matrix being displayed n times). I would like to stop that but I cannot find how. I would like the command window to display only the variables I am asking it to display via the disp function.
Anyone ?
PS : if there any shortcut that perfom the for loop ?
  1 个评论
Jack Giunta
Jack Giunta 2019-10-15
Add a semicolon to the end of the lines that update variables. This will tell the command window to skip displaying these variable changes. Super helpful for debugging in iteration since you can choose which variables display updates line by line!

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回答（2 个）

Andreas Goser
Andreas Goser 2012-2-15
As your example code does not run at all (brackets unbalanced, zero indices), I am not sure if your real code uses the semicolon. The semicolon supresses the output.
pierre
pierre 2012-2-15
sorry I improvised it to simplify it (code much more complex), good code looks like
for i=1:n
a(i,1,1) = log(tmp(i) / tmp(i-1));
end
The idea is that every change in a cell of 'a' implies a full display of the 'a' matrix in the command window which I don't want.

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