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Learning Complex Analysis

  1. Nov 6, 2011 #1
    Hi All,

    I am trying to learn complex analysis on my own and for this I have chosen Fundamentals of Complex Analysis by Saff and Snider. I am stuck at the last question in section 1.3 which is as follows.

    For the linkage illustrated in the figure, use complex variables to outline a scheme for expressing the angular position, velocity and acceleration of arm c in terms of those of arm a.


    As an attempt to the solution, this is what I have thought of so far.

    Let the arm a be dictated by the complex variable Za, similarly Zb for b and Zc for c. Also since the distance between the bottom of a and c is fixed (a + b - c), we can say

    Za + Zb = Zc + (a+b-c). (Parallelogram law)

    However I am not sure of what comes next as I am not sure what Zb is. How can i proceed? To express Zc with respect to Za, I will somehow need to know what Zb is in terms of Za. But how do I do that?

    SMK.
     

    Attached Files:

  2. jcsd
  3. Nov 6, 2011 #2
    Sorry I just realized I posted this in the wrong section. Will post this in homework section as it is a textbook style question for independent study.
     
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