Quick for loop output question?
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I have a for loop saying J = 9000000:18000000
....commands.....
Before end I have R(J) = [equation];
R is my output matrix. Keep in mind I am dealing with large numbers.
Instead of starting the first matrix cell with 9 million, it writes 8,999,999 zero-valued cells before getting to what I want. I am kind of fresh to this, so how might I start writing the output at the very first cell with 9,000,000?
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Matt Kindig
2013-4-25
What you are doing really can't be done by Matlab, as it automatically "fills" the missing matrix elements with zeros. Unfortunately, I can't really see a way to get around this.
回答(1 个)
Walter Roberson
2013-4-25
R(J-9000000+1) = ....
I write it in that form as part of making the coding clearer:
lowJ = 9000000;
highJ = 18000000;
R = zeros(highJ - lowJ + 1,1);
for K = lowJ : highJ
R(K = lowJ + 1) = ....
end
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