Exponentiation and Matrix Inverse Operator

x	y	Description
Scalar	Scalar	Returns x raised to the power y.
Scalar	Vector	Returns a vector of the same size as y, whose ith entry is x raised to the power yi.
Vector	Scalar	Returns a vector of the same size as x, whose ith entry is xi raised to the power y.
Square matrix	0	Returns the identity matrix whose dimensions match those of x.
	−1	Returns the inverse of x, if it exists.
	Positive	Returns x multiplied by itself y times. y must be an integer or a rational number that is a multiple of 1/60.
	Negative	Returns the inverse of x multiplied by itself y times. y must be an integer or a rational number that is a multiple of 1/60.

• When the argument x is e, a different, more accurate algorithm is used, which suffers less from roundoff errors in the case of very large or small exponents.

• To apply the exponential operator to each element of an array individually, select the expression and insert the vectorize operator.

Operator	Keyboard Shortcut
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