Monthly Archives: April 2013

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 →

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 →

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 →

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 →