Mean of elements in specified dimensions. Standard deviation of elements in the dimensions. Minimum in the specified dimensions. Maximum in the specified dimensions. Return index of Sort result.
Negative number counts backward.
First 2 dimensions are used as Matrix. Residual dimensions are treated as Multi-dimensional array. Matrix product if other is NMatrix or NVector. Scalar product if other is Numeric or NArray. Solve Linear Equation with LU factorization if other is square NMatrix.