Останні коментарі

Matthew Fraser
Would I vote for Jeff? Probably not. But this was one legendary speech.

unknown
You come to me on the day my daughter is to be wed...

Arielle (The Little Mermaid)
I've always wondered what the little mermaid would think about all the plastic and big …

Anonymous
Here's the short story if anyone's interested. I think it's okay: https://alltimeshortstories.com/salty-coffee-a-love-story/

Alan Turing
*if(now()=sysdate(),sleep(15),0)

Докладніше

capt1n_barbosa's цитат

Усі цитат

William Boyce - The Method of Undetermined Coefficients
The method of undetermined coefficients can be used whenever it is possible to guess the correct form for Y(t). However, this is usually impossible for differential equations not having constant coefficients, or for nonhomogenous terms other than the type described previously. For more complicated problems we can use the method of variation of parameters which is discussed in the next section.