4. Find a Möbius transformation which maps the region outside the unit circle onto the left- half plane. What are the images of circles |z| = r > 1? And the images of lines passing through the origin?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Do problem 4 and answer is attached
C) CONFORMAL MAPPINGS
1.
T(0) = -1.
z+i
= -i-
3i
3i
T(2) = -i-
z+i
2.
T(2) = –
or
2- 2
or T(2) =
=2,
3. T(2) = ;
The line is mapped onto the circle Jw +1 – i| = 1 or |w – 1 – i| = 1, respectively.
1+2
4. For example T(2) =
Circles |2| =r>1 are mapped onto circles in the left half-plane. Lines crossing the origin
are mapped onto circles passing through ±1, with the exception of the re al axis which is
mapped onto the real axis.
Transcribed Image Text:C) CONFORMAL MAPPINGS 1. T(0) = -1. z+i = -i- 3i 3i T(2) = -i- z+i 2. T(2) = – or 2- 2 or T(2) = =2, 3. T(2) = ; The line is mapped onto the circle Jw +1 – i| = 1 or |w – 1 – i| = 1, respectively. 1+2 4. For example T(2) = Circles |2| =r>1 are mapped onto circles in the left half-plane. Lines crossing the origin are mapped onto circles passing through ±1, with the exception of the re al axis which is mapped onto the real axis.
4. Find a Möbius tran sformation which maps the region outside the unit circle onto the left-
half plane. What are the images of circles |2| = r > 1? And the images of lines passing
through the origin?
Transcribed Image Text:4. Find a Möbius tran sformation which maps the region outside the unit circle onto the left- half plane. What are the images of circles |2| = r > 1? And the images of lines passing through the origin?
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