Compute exp(x)-1 accurately for small values of x
y = expm1(x)
y = expm1(x)computesexp(x)-1, compensating for the roundoff inexp(x).
exp(x)-1
exp(x)
For smallx,expm1 (x)is approximatelyx, whereasexp(x)-1can be zero.
x
expm1 (x)
This function fully supports tall arrays. For more information, seeTall Arrays.
exp|expm|log1p
exp
expm
log1p
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