Creates a complex number from two values in rectangular notation.

## x

An input to this operation.

This input supports scalar numbers, arrays or clusters of numbers, and arrays of clusters of numbers.

## y

An input to this operation.

This input supports scalar numbers, arrays or clusters of numbers, and arrays of clusters of numbers.

## x + yi

The complex number. x + yi has the same structure as the input, with complex representation instead of scalar.