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## Main Question or Discussion Point

*I have 2 vectors:*

a = 1.0e-04*[0.110000000000000 0.140000000000000 0.140000000000000 0.140000000000000];

b = [0.000011000000000 0.000014000000000 0.000014000000000 0.000014000000000];a = 1.0e-04*[0.110000000000000 0.140000000000000 0.140000000000000 0.140000000000000];

b = [0.000011000000000 0.000014000000000 0.000014000000000 0.000014000000000];

by look at by eyes, it seems similar; but when I use this command:

*a == b*then I got:

*ans =*

1×4 logical array

0 0 0 01×4 logical array

0 0 0 0

The expectation is:

*ans =*

1×4 logical array

1 1 1 11×4 logical array

1 1 1 1

Does anyone knows what wrong with this command in the matlab?

Thank you.