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Section5Sage Examples

Here are some Sage cells where you can do certain things that you can also do with a graphing calculator. Throughout the term I will add Sage examples from class here. During exams, you must know how to use your graphing calculator, but you may find it convenient to use Sage with homework assignments.

Solve a Linear System

Note the double equals sign for making a comparison. Also note that multiplications must be explicit: 2*x, not merely 2x.

Row Reduce Matrices

The QQ stands for the rational numbers, so these matrices will accept rational numbers as entries. And the row reduction process will work in the usual way, where it is legal to do things like divide by an integer. The echelon_form() command gives reduced row echelon form.