Can someone please tell me why my HP49G will not multiply a vector [nx1] times a matrix [nxn], but it will multiply a matrix [nxn] times a vector [nx1]? Vectormatrix multiplication is a perfectly valid mathematical operation, but the HP49G gives me an "Invalid Dimension" error. I know that I can overcome this error by placing the vector in the last row of an [nxn] matrix, but I perform this operation many times for my some of my engineering courses and this process becomes cumbersome, especially during an exam.
HP49G VectorMatirx Multiplication


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