Author Archives: Suman Ganguli

Wed Nov 21 Update & Next HW assignement

Posted on November 21, 2012 by Suman Ganguli

We reviewed the cofactor expansion for computing determinants (Sec 3.1), and pointed out the special case for triangular matrices. We also talked through exercises 19-24, which indicate how the elementary row operations affect the value of the determinant. That led … Continue reading →

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Khan Academy: Linear Algebra

Posted on November 20, 2012 by Suman Ganguli

You may find the Khan Academy’s Linear Algebra videos helpful.  Here is the video for the topic we discussed in class on Monday: “Finding the determinant of a 3×3 matrix” See also the videos for nxn determinants, and for computing … Continue reading →

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Hello Math 2580/6653 World

Posted on November 19, 2011 by Suman Ganguli

Welcome to the OpenLab site for Math 2580/6653 – Introduction to Linear Algebra (Fall 2012). I’m going to belatedly start using OpenLab for course annoucements, posting documents & links, etc. So please join the course (from the course profile page, … Continue reading →

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