-
Archives
- October 2021
- January 2021
- March 2019
- January 2018
- December 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- July 2016
- October 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- September 2011
- August 2011
- July 2011
- June 2011
- May 2011
- April 2011
- March 2011
- January 2011
- August 2010
- June 2010
- May 2010
- November 2009
-
Meta
Tag Archives: angle
Linear Algebra and Its Applications, Exercise 3.2.9
Exercise 3.2.9. Consider the projection matrix that projects onto a line. Show that . Answer: Note that is a scalar (the inner product of with itself) and is a matrix. We have NOTE: This continues a series of posts containing … Continue reading
Linear Algebra and Its Applications, Exercise 3.2.8
Exercise 3.2.8. Consider a tetrahedon representing the methane molecule CH4, with vertices (hydrogen atoms) at , , , and , and the center (carbon atom) at . What is the cosine of the angle between the rays going from the … Continue reading
My Math Homework 