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FreeMat
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Section: Base Constants
Returns eps for double precision arguments and feps for single precision arguments. The syntax for teps is
y = teps(x)
The teps function is most useful if you need to compute epsilon based on the type of the array.
The following example demonstrates the use of the teps function, and one of its numerical consequences.
--> teps(float(3.4)) ans = 1.1921e-07 --> teps(complex(3.4+i*2)) ans = 2.2204e-16