ev Function

Special function used to evaluate a sequence of expressions without requiring multiple Let statements. Useful for schematic TEMPLATEs and similar.

This function may be supplied with up to 8 arguments. All arguments except the last is ignored by the function.

Arguments

Number Type Compulsory Default Description
1 any type Yes vector
2 any type No vector
3 ... Up to 8 arguments in total No

Returns

Return type: real/complex array

The function returns the value of the last argument supplied

Notes

The purpose of this function is to allow the evaluation of intermediate variables withing a single expression. This is useful when the expression is in a schematic or graph template, for example, where there is only the facility available to enter a single expression. For example: 
ev(x=3,x*x)
returns 9. The first argument is evaluated and assigns 3 to x. The second argument is then evaluated using the value of x assigned in argument 1. In a script, it would be more conventional to use the 'Let' command to assign x. But if the expression was used in a template property, there is no facility to execute commands, so this would not be possible.
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