**

**

Nth power of a first expression, where N is the value of a second expression

Result = expression ** power
expression
spatial, non spatial scalar
power
spatial, non spatial scalar
Result
spatial if expression or power is spatial, else non spatial scalar

Operation

For each cell, raises the cell values on expression to the Nth power, where N is the cell value on power. The result of this calculation is assigned to the corresponding cell on Result.

Notes

A cell with a value 0 on expression and a value less than or equal to 0 on power is assigned a missing value on Result. Also, a cell with a value less than 0 on expression and a negative whole number on power is assigned a missing value on Result.

A cell with a missing value on expression and/or power is assigned a missing value on Result.

Result **= power is an alternative notation for Result = Result ** power

Group

This operation belongs to the group of Arithmetic operators

Examples

  1. • pcrcalc
    binding
    Result = Result.map;
    Expr = Expr.map;
    Power = Power.map;
    initial
    report Result = Expr ** Power;

    • python
    Expr = readmap(“Expr.map”)
    Power = readmap(“Power.map”)
    Result = Expr ** Power
    Result.map Expr.map Power.map
    _images/sterster_Result.png _images/sterster_Expr.png _images/sterster_Power.png

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