Toronto Math Forum

APM346-2015F => APM346--Misc => Textbook errors => Topic started by: Xi Yue Wang on November 12, 2015, 01:31:10 PM

Title: Missing r in section 6.3
Post by: Xi Yue Wang on November 12, 2015, 01:31:10 PM
http://www.math.toronto.edu/courses/apm346h1/20159/PDE-textbook/Chapter6/S6.3.html (http://www.math.toronto.edu/courses/apm346h1/20159/PDE-textbook/Chapter6/S6.3.html)
For the fifth line, Cartesian coordinates by $ x=rcos(θ), y=sin(θ)$, there should have $r$ before $sin(\theta)$.

OK