Difference between revisions of "IF a THEN b ELSE c"
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This conditional expression returns '''b '''if '''a '''is true (1) or '''c '''if '''a '''is false (0), for example: | This conditional expression returns '''b '''if '''a '''is true (1) or '''c '''if '''a '''is false (0), for example: | ||
| + | :<code>Variable X := 1M</code> | ||
| + | :<code>Variable Y := 1</code> | ||
| + | :<code>IF X > Y THEN X ELSE Y → 1M</code> | ||
| − | + | returns the larger of <code>X</code> and <code>Y</code>. | |
| − | : | + | It is possible to omit the <code>ELSE</code> clause: |
| + | :<code>IF X > Y THEN X</code> | ||
| − | + | If the condition is false, it gives a warning. If you ignore the warning, it returns <code>NULL</code>. | |
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| − | If the condition is false, it gives a warning. If you ignore the warning, it returns | ||
Conditional expressions get more interesting when they work on arrays. See [[IF a THEN b ELSE c with arrays]]. | Conditional expressions get more interesting when they work on arrays. See [[IF a THEN b ELSE c with arrays]]. | ||
Revision as of 13:25, 7 September 2015
Analytica User Guide > Using Expressions > IF a THEN b ELSE c
This conditional expression returns b if a is true (1) or c if a is false (0), for example:
Variable X := 1MVariable Y := 1IF X > Y THEN X ELSE Y → 1M
returns the larger of X and Y.
It is possible to omit the ELSE clause:
IF X > Y THEN X
If the condition is false, it gives a warning. If you ignore the warning, it returns NULL.
Conditional expressions get more interesting when they work on arrays. See IF a THEN b ELSE c with arrays.
See Also
| Operators <- | IF a THEN b ELSE c | -> Function calls and parameters |
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