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ERF

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This function calculates the error function integrated between a lower and an upper limit.

ERF(*limit*,*upperlimit*)

This function has these arguments:

Argument | Description |
---|---|

limit |
Either this is the lower limit, if the upper limit is supplied, or it is the upper limit (with 0 as the lower limit) if the second argument is not supplied |

upperlimit |
[Optional] Upper limit for integrating the function |

If *upperlimit* is supplied, the function is integrated from *limit* to *upperlimit*. If not supplied, the function is integrated from 0 to *limit*.

If there *upperlimit* is not supplied, the function calculates:

where x is the *limit* argument.

If there *upperlimit* is supplied, the function calculates:

where lo is the *limit* argument and hi is the *upperlimit* argument.

Accepts numeric data. Returns numeric data.

ERF(K16)

ERF(R16C11,R16,C12)

ERF(0.49) gives the result 0.51166826

ERF(0.25,0.85) gives the result 0.494341544

This function is available in product version 1.0 or later.

ERFC | STEYX | Engineering Functions