Technical Articles and Newsletters

Cleve's Corner Supplement

By Cleve Moler, MathWorks


This is a supplement to the Cleve's Corner article, "Trigonometry is a Complex Subject"

An m-file for the visualization of functions of a complex variable is zviz.m.

Some examples include:

summer98_fig1_w.jpg

z

summer98_fig16_w.jpg

1/z

summer98_fig2_w.jpg

2/z 

summer98_fig3_w.jpg

sqrt(z) 

summer98_fig15_w.jpg

log(z) 

summer98_fig14_w.jpg

exp(-1/z2) 

summer98_fig17_w.jpg

sin(z) 

summer98_fig12.jpg

cos(z) 

summer98_fig5_w.jpg

tan(z) 

summer98_fig4_w.jpg

sinh(z) 

summer98_fig13.jpg

cosh(z) 

summer98_fig18_w.jpg

tanh(z) 

summer98_fig8_w.jpg

asin(z) 

summer98_fig6_w.jpg

acos(z) 

summer98_fig10.jpg

atan(z) 

summer98_fig9.jpg

asinh(z) 

summer98_fig7_w.jpg

acosh(z) 

summer98_fig11.jpg

atanh(z) 

Published 1998