
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: invertible matrices
Linear Algebra and Its Applications, Exercise 3.2.10
Exercise 3.2.10. Discuss whether the projection matrix from exercise 3.2.9 is invertible or not. Explain your answer. Answer:The projection matrix Note that each column of the resulting matrix is equal to the original vector multiplied by a scalar factor equal … Continue reading
Linear Algebra and Its Applications, Review Exercise 2.9
Review exercise 2.9. Answer the following questions for the vector space of 2 by 2 matrices: a) Does the set of 2 by 2 matrices with rank 1 form a subspace? b) What is the subspace spanned by the 2 … Continue reading
Posted in linear algebra
Tagged invertible matrices, permutation matrices, positive matrices, spanning set, subspace
Leave a comment