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Furthermore it is possible to use "if statements" in the expression. This can e.g. be used to get one output value if X is greater than 3 and get another output value if X is equal to or less than 3. In an if statement the following symbols can be used:
| Code Block |
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> |
which means greater than and
| Code Block |
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< |
which means less than. For instance in the expression
| Code Block |
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if(X > 3, 10.5, -2) + 5*a |
the if statement will be replaced with 10.5 or -2, depending on the value of the variable 'X'. In this case if X is greater than 3, then the if statement is replaced with 10.5. If X is equal to or less than 3, then the if statement is replaced with -2. The following symbols can be used in an if statement:
| greater than | ||
| greater than or equal to | ||
| less than | ||
| less than or equal to |
If statements can also be nested, e.g.
| Code Block |
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if(m > b, 3, if(m > a, 2, 1)) |
Coefficient set
Should contain the coefficients that are used in the free format expression. Defined the ids and values of the coefficients here, then reference to the ids of these coefficients in the expression. Make sure that for all the coefficient ids in the free format expression the values are defined here.
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