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exampl
2007 May 04
2
Get the difference between two matrices with different length
...value of the
third column (between matrix1 and matrix2), but only if the two
first coordinates in matrix1 and matrix2 are the same.
I tried "FUN=?" in aggregate and ave, but I don't know the command
for such a subtraction?
Thank's a lot.
Felix
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The matrixes (examlple):
1 0.1 0.0042
1 0.2 0.00423
1 0.4 0.00467
1 0.5 0.00518
1 0.6 0.0061
1 0.1 0.0043
1 0.2 0.00442
1 0.3 0.00433
1 0.4 0.0045
1 0.5 0.00524
1 0.7 0.006
My aim:
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1 0.1 -0.0001
1 0.2 -0.00019
1 0.4 0.00017
1 0.5 -0.00006