if structure
if
('condition','true','false') - Returns 'true'-statement if logical 'condition'-statement is true (non-zero), 'false'-statement otherwise.
ADVICE: Choose it from the Programming palette
The "if" programming tool returns a value depending on Boolean 'condition'. Boolean condition can be formed by using Boolean palette. Here is a simple example, returning
numeric
or
symbolic
result.
using if
The user should take care when defining a function which uses "if". The Boolean condition could be sometimes quite "tricky". For example, if we want to find out if the y-value is inside (x,z) range we could do something like this.
value inside the interval - wrong!
It is advisable to see the tooltip and the order (precedence) of operators. The operators are usually calculated from left to right. Use ( ) - parenthesis if you have some doubts.
value inside interval - good!
