hello. why neper number in matlab and neper number in wikipedia with address (http://en.wikipedia.org/wiki/E_(mathematical_costant)) up to 15 decimal places is the same and than 15 different next? which one is correct?
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John D'Errico
le 21 Nov 2015
MATLAB uses double precision, so roughly 16 significant digits.
format long g
exp(1)
ans =
2.71828182845905
vpa(exp(sym(1)),100)
ans =
2.718281828459045235360287471352662497757247093699959574966967627724076630353547594571382178525166427
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