Up to this point we have been representing equations as systems of matrices. We have done operations on single rows in a matrix. We can also do operation on entire matrices themselves. The basic operations include addition, subtraction, multiplication. We can do matrix equations to solve for a matrix given several matrices. This next section deals with those operations. For the most part, it involves the basic mathematical operations of addition, subtraction, multiplication and division and knowing when you can use them. The videos give examples and more notes are included in files at the bottom of the page along with your assignment for this section. The problems to be done are on pages 684 -685: #'s 2, 4, 6, 8, 10, 12, 30, 32, 38, 40 This assignment is due Thursday, May 14. Videos: Matrix operations - addition, subtraction, and scalar multiplication www.youtube.com/watch?v=iNty4CSFIpU Examples of addition and subtraction www.youtube.com/watch?v=cTKjm5fgqKM&feature=youtu.be Example of scalar multiplication www.youtube.com/watch?v=kDCka2iqE1Y&feature=youtu.be Combining various operations www.youtube.com/watch?v=SYzQPWMUhV8&feature=youtu.be Matrix multiplication www.youtube.com/watch?v=6Hmzu-WKCjc Examples www.youtube.com/watch?v=RqA4HLtJBBs&feature=youtu.be www.youtube.com/watch?v=l--THwUU73g&feature=youtu.be www.youtube.com/watch?v=zAjUyPe-4mI&feature=youtu.be Using the TI-84 calculator www.youtube.com/watch?v=C7Dc414qmlk
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