x and y must be real
or imaginary scalars, vectors, or strings, both of the same type. String
comparisons result in alphabetical sorting.
Notes:
You must follow the Boolean expression with an = to get the result of this comparison.
You can control the evaluation of this operator with a setting in the Worksheet
Options dialog; choose whether or not you want exact equality in your calculations.
A scalar compared with an array returns another array with element-wise
comparisons.
