Prove that the function ((z*)2 Iz| > 0 f (z) = z 0, z = 0 is not analytic at z = 0 by calculating all directional derivatives of the function at related point.
Prove that the function ((z*)2 Iz| > 0 f (z) = z 0, z = 0 is not analytic at z = 0 by calculating all directional derivatives of the function at related point.
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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![Prove that the function
(z*)2
Iz| > 0
0, z = 0
f (z) =
is not analytic at z = 0 by calculating all directional derivatives of the function at related point.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8d6a481a-9316-4784-ab50-a21c1413d842%2F49a2508e-941d-41ee-8ca2-465792c6d01b%2F2uqj9ek_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Prove that the function
(z*)2
Iz| > 0
0, z = 0
f (z) =
is not analytic at z = 0 by calculating all directional derivatives of the function at related point.
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