MODELS > Examples > Models Functions

This example illustrates statement functions in MODELS

MODEL fundef

CONST z9 {val: 9}

VAR k

FUNCTION fun1(x1, x2) := x1 +x2

FUNCTION fun2(x1, x2 {dflt: 0}, x3) :=x1 +x2 +x3 -t

EXEC

write("****** In model 'fundef' at t=", t)

k:=1

k:=fun1(k+t, 2*z9) write(19+t, " : ", k)

k:=fun2(-2.4, 5, 3*t) write(2.6+2*t, " : ", k)

k:=fun2(-1, dflt, t) write("-1 : ", k)

ENDEXEC

ENDMODEL