MATLAB: Convert the hexadecimal representation of a binary double-precision number back into a double

conversiondoublehexadecimalMATLABnumerics

How can I convert a double-precision hexadecimal back into a double?
That is, given s, created from the double x as such:
   s = sprintf('%bx',x)
How can I recover x?

Best Answer

>> x=rand
x =
   0.126986816293506
>> s = sprintf('%bx',x)
s =
3fc0411a9f807b7c
>> y=hex2num(s)
y =
   0.126986816293506
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