# How apply the conformal mapping? (circle to rectangular)

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Changwoo Lee il 14 Ago 2022
Commentato: William Rose il 15 Ago 2022
Hello, I have a question about the conformal mapping in Matlab.
In the below case, I want to convert from the round segment closed by z1, z2, z3, z4 to the rectangular segment closed by z1' z2' z3' z4'.
How wirte the code? Thank you very much, and it would be a great pleasure for me.
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### Risposta accettata

William Rose il 15 Ago 2022
Is this a homework problem?
The figure has an inconsistency. The left hand side shows a light blue region whose corners are z1, z2, and the origin. Points z3 and z4 are not corners of the light blue region on the left. On the right hand side, z3 and z4 are corners of the light blue region. Are you seeking a map that sends the light blue region on the left onto the light blue region on the right? Or are you seeking a map that sends (z1, z2, z3, z4) to (z1', z2', z3', z4')? I think it would be more clear if the light blue region on the left had the same corners as the light blue region on the right.
There are twio questions implied in your question:
1. What is the conformal map that does the desired mapping?
2. How can one implement the conformal map of quesiton 1 as a matlab script?
Do you know the answer to question 1?
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Torsten il 15 Ago 2022
Do you know the answer to question 1?
Schwarz-Christoffel mapping:

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### Più risposte (1)

Torsten il 15 Ago 2022
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Changwoo Lee il 15 Ago 2022
Modificato: Changwoo Lee il 15 Ago 2022
@William Rose Thank you very much for the kind reply! I solved the problem. Your reply and code are a greate pleasure. Thank you again!
William Rose il 15 Ago 2022
@Changwoo Lee, You're welcome. Good luck with your work.

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