Power Of X Function

LabVIEW 2018 Help


Edition Date: March 2018
Part Number: 371361R-01
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Owning Palette: Exponential Functions

Requires: Base Development System

Computes x raised to the y power.

If x is not complex, it must be greater than zero unless y is an integer value. Otherwise, the result is NaN. If y is 0, x^y is 1 for all values of x, including 0. The connector pane displays the default data types for this polymorphic function.

Details  Example

y can be a scalar number, array or cluster of numbers, array of clusters of numbers, and so on.
x can be a scalar number, array or cluster of numbers, array of clusters of numbers, and so on.
x^y is x to the power of y. When x and y are complex, the following equation defines x^y:

x^y = exp(y * ln(x))

Refer to the Exponential function and the Natural Logarithm function for more information.

Power Of X Details

When you wire matrix data as an input to this function, a VI that includes subVIs that work with the matrix data type replaces the function. The resulting VI has the same icon but contains a matrix-specific algorithm. The node remains a VI if you disconnect the matrix from the input(s). Wire other data types as inputs to restore the original function. If you wire a data type to a function and that data type causes a basic math operation to fail, the function returns an empty matrix or NaN.

Refer to the Matrix Power VI for more information.

Example

Refer to the Exponential VI in the labview\examples\Mathematics\Elementary & Special Functions\Exponential Functions directory for an example of using the Power Of X function.

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