### Author Topic: Typo in led note?  (Read 3499 times)

#### Bowei Xiao

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##### Typo in led note?
« on: October 04, 2012, 03:01:31 PM »
In lec 10 ..1D heat equation,  around the formula 4, there's Aline saying"this solution has the same form as 2." but I feel like the integral should from 0 to infinity, instead of from - infinity to infinity like the formula 2?

#### Victor Ivrii

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##### Re: Typo in led note?
« Reply #1 on: October 04, 2012, 04:23:49 PM »
In lec 10 ..1D heat equation,  around the formula 4, there's Aline saying"this solution has the same form as 2." but I feel like the integral should from 0 to infinity, instead of from - infinity to infinity like the formula 2?

Who is Aline?!  OK, it is not a name but "a line"

Not a typo but a bit too casual sentence. I put (and obviously with the different domain of integration $[0,\infty))$:

#### Bowei Xiao

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##### Re: Typo in led note?
« Reply #2 on: October 04, 2012, 06:23:26 PM »
Yep...that's what I guess initially....sorry my space doesn't work properly these days