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erfcx
Scaled complementary error function
Syntax
Description
erfcx(
returns the
value of the Scaled Complementary Error Function for each element of x
)x
.
Use the erfcx
function to replace expressions
containing exp(x^2)*erfc(x)
to avoid underflow
or overflow errors.
Examples
Input Arguments
More About
Tips
For expressions of the form
exp(-x^2)*erfcx(x)
, use the complementary error functionerfc
instead. This substitution maintains accuracy by avoiding roundoff errors for large values ofx
.
Extended Capabilities
Version History
Introduced before R2006a