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Alexander Lee MAT22A-Waldron-Fall-2010 WeBWorK ReadingHomework3 is due : 10/01/2010 at 03:00pm PDT. Visit http://www.math.ucdavis.edu/ wally/teaching/22A/22A.html for the syllabus, grading policy and other information. The primary purpose of WeBWorK is to let you know that you are getting the correct answer or to alert you if you are making some kind of mistake. Usually you can attempt a problem as many times as you want before the due date. However, if you are having trouble figuring out your error, you should consult the book, or ask a fellow student, one of the TAs or your professor for help. Don’t spend a lot of time guessing – it’s not very efficient or effective. Give 4 or 5 significant digits for (floating point) numerical answers. For most problems when entering numerical answers, you can if you wish enter elementary expressions such as 2
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Unformatted text preview: âˆ§ 3 instead of 8, sin ( 3 * pi / 2 ) instead of -1, e âˆ§ ( ln ( 2 )) instead of 2, ( 2 + tan ( 3 )) * ( 4-sin ( 5 )) âˆ§ 6-7 / 8 instead of 27620.3413, etc. Hereâ€™s the list of the functions which WeBWorK understands. You can use the Feedback button on each problem page to send e-mail to the professor. To which of the three elementary row operations does step 2 of the Gaussian elimination algorithm correspond? ? To which of the three elementary row operations does step 3 of the Gaussian elimination algorithm correspond? ? To which of the three elementary row operations does step 4 of the Gaussian elimination algorithm correspond? ? Correct Answers: â€¢ Row swap â€¢ Scalar multiplication â€¢ Row sum Generated by the WeBWorK system c Â± WeBWorK Team, Department of Mathematics, University of Rochester 1...
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