+ Reply to Thread
Results 1 to 4 of 4

Thread: calculating complex number

  1. 05-19-08, 02:03 PM #1
    StMartin
    StMartin is offline
    Registered Senior Member
    Posts
    225

    calculating complex number

    Calculate

    I tried with









    What should I do next?
    Reply With Quote Reply With Quote
  2. 05-19-08, 04:47 PM #2
    mathman
    mathman is offline
    Registered Senior Member
    Posts
    932
    It would be a lot easier if you started with i=e^(i.pi(2n+1/2)) (.= multiply, n is any integer)

    Then i^3/4=e^(i.pi(3n/2 + 3/8)). You will have 4 distinct results for n=0,1,2,3.
    Reply With Quote Reply With Quote
  3. 05-20-08, 03:05 AM #3
    StMartin
    StMartin is offline
    Registered Senior Member
    Posts
    225
    Ok, thank you..
    Reply With Quote Reply With Quote
  4. 05-21-08, 08:16 AM #4
    paulfr
    paulfr is offline
    Registered Senior Member
    Posts
    220
    Modulus is one so DeMoivre's Theorem should yield ...
    i^ [3/4] = cos [3 pi / 8] + i sin [3 pi / 8]
    Reply With Quote Reply With Quote
« Previous Thread | Next Thread »

Similar Threads

  1. Use a temporary account number to secure your online purchase.
    By cosmictraveler in forum Free Thoughts
    Last Post: 11-03-07, 06:00 PM
    Replies: 16
  2. What is the greatest number of elements you can combine?
    By John J. Bannan in forum Chemistry
    Last Post: 09-18-07, 01:38 AM
    Replies: 10
  3. Two different models of infinity
    By Doron Shadmi in forum Physics & Math
    Last Post: 11-18-05, 11:18 PM
    Replies: 52
  4. The Holocaust never happened Subjective/Objective Views on History
    By alexb123 in forum History
    Last Post: 10-22-05, 09:10 PM
    Replies: 140
  5. Number systems using negative digits.
    By Dinosaur in forum Physics & Math
    Last Post: 09-06-05, 08:59 PM
    Replies: 11

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules