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Problem about proximity in matlab

Asked by C Zeng on 26 Oct 2012

Hi, all,

I defined an array like S=ones(N,x,'uint32'). And I give values to all of them. However I find out the maximum value is 65535 which is 2^16 not 2^32.

I tried 'uint64' but the limit is still 65535, why is that?



C Zeng on 26 Oct 2012

Oh, it is weird here. Let me try again.

C Zeng on 26 Oct 2012

Oh, when I use class, it is converted to uint16. I need to figure out why?

However I only define uint32 at the beginning. So what could be a reason for converting to uint16? I am confused.

Image Analyst on 27 Oct 2012

Calling class() causes no conversion. It must have got converted some other way.

C Zeng


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1 Answer

Answer by Image Analyst on 26 Oct 2012

Somewhere along the way, you must have converted it to uint16, perhaps without realizing that you did so.


C Zeng on 26 Oct 2012

Thanks, Walter. I think it somewhere convert to double, however, double is more than uint32, right? Does it matter?

C Zeng on 26 Oct 2012

Now, I shut all programs off and restart it, seems that there is no such convert data type problems.

Image Analyst

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