Toronto Math Forum
Welcome,
Guest
. Please
login
or
register
.
1 Hour
1 Day
1 Week
1 Month
Forever
Login with username, password and session length
News:
Home
Help
Search
Calendar
Login
Register
Toronto Math Forum
»
APM346--2019
»
APM346--Lectures & Home Assignments
»
Home Assignment 2
»
Secondary Textbook Chp1.2 Exercise 10
« previous
next »
Print
Pages: [
1
]
Author
Topic: Secondary Textbook Chp1.2 Exercise 10 (Read 3058 times)
Wanying Zhang
Full Member
Posts: 21
Karma: 6
Secondary Textbook Chp1.2 Exercise 10
«
on:
January 18, 2019, 06:16:16 PM »
I have difficulties solving this problem: $u_x + u_y + u = e^{x+2y}$. I get $\frac{dy}{dx} = 1$ from the characteristic equation and have no ideas what should be followed. Any reply would be appreciated.
Logged
Victor Ivrii
Administrator
Elder Member
Posts: 2607
Karma: 0
Re: Secondary Textbook Chp1.2 Exercise 10
«
Reply #1 on:
January 18, 2019, 09:05:21 PM »
Read Section 2.1, Subsection "semilinear equations"
«
Last Edit: January 19, 2019, 07:05:18 AM by Victor Ivrii
»
Logged
Print
Pages: [
1
]
« previous
next »
Toronto Math Forum
»
APM346--2019
»
APM346--Lectures & Home Assignments
»
Home Assignment 2
»
Secondary Textbook Chp1.2 Exercise 10