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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | NAN NAN Not-a-Number Constant
Usage
Returns a value that represents ``not-a-number'' for both 32 and 64-bit
floating point values. This constant is meant to represent the result of
arithmetic operations whose output cannot be meaningfully defined (like
zero divided by zero). There are several forms for the NaN function.
The first form returns a double precision NaN.
y = nan
The next form takes a class name that can be either 'double'
y = nan('double')
or 'single':
y = nan('single')
With a single parameter it generates a square matrix of nans.
y = nan(n)
Alternatively, you can specify the dimensions of the array via
y = nan(m,n,p,...)
or
y = nan([m,n,p,...])
Finally, you can add a classname of either 'single' or 'double'.
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