WildLinAlg7: More applications of 2x2 matrices
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Description
We continue discussing 2x2 matrices, their interpretation as
linear transformations of the plane, how to analyse rotations,
including a rational formulation, and how to combine rotations and
reflections.
Finally we discuss the connections with calculus, introducing the idea
that the derivative is really a linear transformation.
More Episodes
This is the Introductory lecture to a beginner's course in Algebraic Topology, MATH5665, given by N J Wildberger of the School of Mathematics and Statistics at UNSW in 2010. The course is suitable for 3rd and 4th year mathematics majors, hopefully with some prior knowledge of group theory. Others...
Published 07/27/10
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By studying how Bob would view a dilation in Rachel's framework, we are led to the notion of a generalized dilation. Going from one basis to the other involves a 'Change of basis matrix'.
We show how these ideas lead naturally to the important concepts of eigenvectors and associated eigenvalues,...
Published 04/16/10
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