EXPR_FUNCTIONS

module wntr.msx.base

EXPR_FUNCTIONS

Mathematical functions available for use in expressions. See Table 19 for a list and description of the different functions recognized. These names, case insensitive, are considered invalid when naming variables.

Table 19 Functions defined for use in EPANET-MSX expressions.

Name	Description
abs	absolute value
sgn	sign
sqrt	square-root
step	step function
exp	natural number, e, raised to a power
log	natural logarithm
log10	base-10 logarithm
sin	sine
cos	cosine
tan	tangent
cot	cotangent
asin	arcsine
acos	arccosine
atan	arctangent
acot	arccotangent
sinh	hyperbolic sine
cosh	hyperbolic cosine
tanh	hyperbolic tangent
coth	hyperbolic cotangent
*	multiplication
/	division
+	addition
-	negation and subtraction
^	power/exponents
(, )	groupings and function parameters