Functions > Special Functions > Other Special Functions > Error Function and Complementary Error Function
  
Error Function and Complementary Error Function
erf(x)—Returns the error function.
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erfc(x)—Returns the complementary error function.
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The error function is related to the complementary error function by the following relation:
erfc(x) = 1 −erf(x)
Arguments
x is a dimensionless, complex scalar.