To enter a matrix having multiple elements, use braces ({ }) to enclose the data values and, if needed, commas to separate rows. Inside of the braces, all elements must be either numeric or character.

Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.

A switching matrix used in a test system connects a signal on a particular column to an instrument on a certain row. Typically, there are more signals than instruments, so several voltage measurements ...