Toronto Math Forum

APM346--2019 => APM346--Lectures & Home Assignments => Topic started by: shuxian on April 02, 2019, 04:47:53 PM

Title: Final Exam Practice problems
Post by: shuxian on April 02, 2019, 04:47:53 PM
Anyone can give me a hint about Q4 uxy=0 uyz=0 and uzx=1? Thank you.
For Q13, my answer is u=1 if x=t<0,x-t<0; u=t if x+t>0,x-t>0;u=1/2+1/2(x+t) if x-t<0,x+t>0. I don't know whether it is right or not.