Oct 3
We went over Greg's version of the homework.
Jim added some commentary. The .ipynb file is attached
and is viewable
through nbviewer
John was ill. Greg & Jim started talking about complex numbers (x + i y) and complex exponentiation (exp(i theta)).
Resources :
Exercises :
- Let (a = 2 + 3), (b = 1 - i).
- Find
- a + b
- a b
- a / b
- |a| i.e. length of a
- arg(a) i.e. angle of a in complex plane
Show that
- |a| |b| = | a b |
- arg(a) + arg(b) = arg( a b )
![[paper clip]](/courses/source/wiki_images/paper_clip_tilt.png)
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