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
»
APM346-2015F
»
APM346--Misc
»
Textbook errors
»
3.1 equation 12
« previous
next »
Print
Pages: [
1
]
Author
Topic: 3.1 equation 12 (Read 3144 times)
Bruce Wu
Sr. Member
Posts: 57
Karma: 0
3.1 equation 12
«
on:
October 17, 2015, 08:47:21 PM »
http://www.math.toronto.edu/courses/apm346h1/20159/PDE-textbook/Chapter3/S3.1.html#mjx-eqn-eq-3.1.12
I might be wrong, but based on the definition of the error function given, shouldn't it be equal to $$\frac{1}{4}+\frac{1}{4}erf\left(\frac{x}{\sqrt{4kt}}\right)$$?
Logged
Emily Deibert
Elder Member
Posts: 100
Karma: 0
Re: 3.1 equation 12
«
Reply #1 on:
October 17, 2015, 11:01:31 PM »
Shouldn't there also be a $\frac{1}{2}$ as part of $U(x,t)$? Or else where does the extra term of $\frac{1}{2}$ come from?
Logged
Print
Pages: [
1
]
« previous
next »
Toronto Math Forum
»
APM346-2015F
»
APM346--Misc
»
Textbook errors
»
3.1 equation 12