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why are these values not equal?

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yu xu
yu xu 2012-6-3
>> xx = temp_ComplexArray_12_0 * [MMSEInterfCgema{85351:85500}];
>> zz = MMSEFactor' * [MMSEInterfCgema{85351:85500}];
>> find(MMSEFactor'~=temp_ComplexArray_12_0)
ans =
Empty matrix: 0-by-1
>> find(vpa(MMSEFactor',10000) ~= vpa(temp_ComplexArray_12_0,10000))
ans =
Empty matrix: 0-by-1
>> zz(1,2),xx(1,2),zz(1,2)-xx(1,2)
ans =
2.190108828498517e-08 - 2.547437668329938e-08i
ans =
2.190108828498517e-08 - 2.547437668329917e-08i
ans =
0 - 2.117582368135751e-22i
WHY zz is not equal to xx ? version ： 2012a
THANK YOU~ if you can explain it

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Thomas
Thomas 2012-6-3
This might help
href=""<http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F</a>>

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