Frequently, we encounter a need for two (different) linear transformations to transform a parallelogram into a rectangular region. When this happens, we need to make choices like: u = -x + 5y and v = 7x - 5y. For this example, find the inverse transformations: x = y = = u + v 6 7u+6 30 and use these to calculate the Jacobian: a(x, y) d(u, v) 30 0.23333333333333u +0.033333333333333v

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Frequently, we encounter a need for two (different) linear transformations to transform a parallelogram
into a rectangular region. When this happens, we need to make choices like: u = -x + 5y and
v = 7x - 5y.
For this example, find the inverse transformations:
x =
=
u+v
6
7u+6
30
X
and use these to calculate the Jacobian:
a(x, y)
a(u, v)
30
0.233333
333333u + 0.033333
33333v
Transcribed Image Text:Frequently, we encounter a need for two (different) linear transformations to transform a parallelogram into a rectangular region. When this happens, we need to make choices like: u = -x + 5y and v = 7x - 5y. For this example, find the inverse transformations: x = = u+v 6 7u+6 30 X and use these to calculate the Jacobian: a(x, y) a(u, v) 30 0.233333 333333u + 0.033333 33333v
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