being equal two matrics contaning NaNs and numbers smaller than 1

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som 2012-10-2

Hi all,

I have two matrics e.g. "a" & "b", which contains some "NaN" elements and numbers less than 1.

a=[NaN 0.4539 0.4532; NaN 0.4536 NaN]; b=[NaN 0.4533 0.4538; NaN 0.4531 NaN];

I want to see if "a" and "b" are equal with NaNs values ? the desired decimal places is 3.

How can I write such program?

thanks in advance,

Azzi Abdelmalek 2012-10-2

编辑：Azzi Abdelmalek 2012-10-2

 a=round(a*1000)/1000;
 b=round(b*1000)/1000;
 a(isnan(a))=0;
 b(isnan(b))=0;
 test=all(all((a==b)))

% if test =1 then a=b

Azzi Abdelmalek 2012-10-2

the answer isequalwithequalnans(a,b) was suggested and deleted.

Teja Muppirala 2012-10-3

Recent versions now have the ISEQUALN function, which is exactly the same thing as ISEQUALWITHEQUALNANS except the name is much easier to type.

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