Write down the 2 × 2 matrices that represent the following linear transformations ofthe plane. Also draw the image of the (first quadrant) unit square 1 under each transformation. (a) A dilation with horizontal dilation factor 2 and vertical dilation factor 1/2. (b) A vertical shear with factor −1/2. (c) A rotation of 450 anticlockwise.
Write down the 2 × 2 matrices that represent the following linear transformations ofthe plane. Also draw the image of the (first quadrant) unit square 1 under each transformation. (a) A dilation with horizontal dilation factor 2 and vertical dilation factor 1/2. (b) A vertical shear with factor −1/2. (c) A rotation of 450 anticlockwise.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Write down the 2 × 2 matrices that represent the following linear transformations ofthe plane. Also draw the image of the (first quadrant) unit square 1 under each transformation.
(a) A dilation with horizontal dilation factor 2 and vertical dilation factor 1/2.
(b) A vertical shear with factor −1/2.
(c) A rotation of 450 anticlockwise.
(d) A reflection across the line at angle −300 to the X-axis.
(e) The transformation T(x, y) = (2x + 6y, x + 3y).
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