
Archives
 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
Monthly Archives: April 2013
A rotation followed by a reflection is a reflection
In preparation for answering exercise 2.6.3 in Gilbert Strang’s Linear Algebra and Its Applications, Third Edition, I wanted to derive in detail the effect of a rotation followed by a rotation, a reflection followed by a reflection, a reflection followed … Continue reading
Posted in linear algebra
Leave a comment
A reflection followed by a reflection is a rotation
In preparation for answering exercise 2.6.3 in Gilbert Strang’s Linear Algebra and Its Applications, Third Edition, I wanted to derive in detail the effect of a reflection followed by a reflection, a reflection followed by a rotation, and a rotation … Continue reading
Posted in linear algebra
Leave a comment
A rotation followed by a rotation is a rotation
In preparation for answering exercise 2.6.3 in Gilbert Strang’s Linear Algebra and Its Applications, Third Edition, I wanted to derive in detail the effect of a reflection followed by a reflection, a reflection followed by a rotation, and a rotation … Continue reading
Posted in linear algebra
Leave a comment
Linear Algebra and Its Applications, Exercise 2.6.2
Exercise 2.6.2. Specify the 2 by 2 matrix that has the following effects: projecting all vectors onto the axis projecting the resulting vectors onto the axis Answer: From the discussion in the first part of section 2.6 we know that … Continue reading
Posted in linear algebra
Leave a comment