Making a 3-by-3 matrix in Microsoft Excel is in fact very simple. You need only write numbers in each cell of any 3-by-3 block of cells. What has led to so much confusion regarding matrices in Excel is their functionality. A 3-by-3 matrix by itself provides no use unless you can either multiply it by another matrix, find its inverse or use it to solve a system of equations – all three of which are possible in Excel. Tips Writer Bio
