A generic drug is the same as a brand-name drug in dosage, safety, strength, quality, the way it works, the way it is taken and the way it should be used. FDA requires generic drugs have the same high quality, strength, purity and stability as brand-name drugs.
A matrix is a rectangular array of numbers arranged in rows and columns. The array of numbers below is an example of a matrix. The number of rows and columns that a matrix has is called its dimension or its order. By convention, rows are listed first; and columns, second.
An inverse matrix is the matrix that is multiplied by the original square matrix to derive the identity matrix, which contains values of 1 on the diagonal and 0 elsewhere. This property makes it useful for solving systems of equations that include many variables.ype without quotes: =MINVERSE(A1:C3). Replace the cell reference A1 with that of the upper left corner of your matrix, and C3 with the cell reference of the lower right corner of your matrix. Hold down both the Ctrl and Shift keys; press Enter..