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How to solve second order differential equations
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- čas přidán 17. 08. 2024
- Free ebook tinyurl.com/Eng...
A lecture on how to solve second order (inhomogeneous) differential equations. Plenty of examples are discussed and solved. The ideas are seen in university mathematics and have many applications to physics and engineering.
![Solve & Verify Differential Equations by Integration - [2]](http://i.ytimg.com/vi/tPRSxkdUvZg/mqdefault.jpg)
My pleasure and hope you enjoy my new ebook also. The free download link is in the description.
You are welcome and I also encourage you to check out my new and free ebook with lots more examples.
Not only did my diff eq prof schedule our midterm for 830 am the day after spring break, but he decided to throw some nonhomogeneous problems on the test, which we haven't learned yet. You just saved my life. Cheers from the Bronx.
Equate all coefficients of x[sin x + cos x] on one side of the equation with all coefficients of x[sin x + cos x] on the other side of the equation. You should be able to form the equation -4D - 2C +2D = 0 which will simplify.
AWESOME VIDEO, I had an exam for getting into a Msc and I didn't remember how solving this equations, my life as student in college would be much better having professors like you, great teacher, thanks a lot you saved my life, I already download your ebook.
My pleasure and hope you enjoy the new ebook also!
these lectures were out of the world
Dr Tisdell not only are you a very good teacher but you're cool as fuck. Wish I had you as a lecturer.
this is the most helpful and comprehensive video i have ever watched in math on youtube literally, and i have watched alot! thanks a million, Dr Tisdell!
I have an eng. maths exam in a week's time, this was so helpful - thank you!
My pleasure and thanks for the feedback.
At 33:47 why you said that the roots are complex? y''+y=0 -> λ^2+λ=0 -> λ(λ+1)=0 -> the roots will be λ=0 or λ=-1
Sir whether it is the method of undetermined coefficients to solve for a particular solution and thanks for nice explanation.its very helpful.
@dachoeks3 Every now and then the frame rate varies (but the audio rate stays fixed), however usually things sync when I turn each page. Good luck with your studies.
After 11 Years, still Excellent
@wjc3516 Every now and then the frame rate varies (but the audio rate stays fixed), however usually things sync when I turn each page. Good luck with your studies.
Really helpful video! Helps save reading time & saved me here from not having attended classes at my college :P
you are a great teacher, much more better than my lecturer did..
thank you for this video and this helps me alot of understanding..
thank you so much!
Thank you Dr.Tisdell for your great explanations~ The wide variety of examples helped to solidify my knowledge of differential equations without much prior knowledge.
Many thanks for the feedback!
thanks Mr Tisdell.. it is good to have a revise after math lecture
This is such an easy explanation to second order ODE. THANK YOU SIR
Great videos altogether, really easy to follow. Gets me through my Econ math course, our economic professors are notoriously bad at teaching math... Thanks!
Very helpful, young man. Thank you!
did you find A and B before you find particular solution or after?
So when equating coefficients, can you ignore any x's you have? I was trying to solve one problem involving a trig function, and in the end got sin x(-2C-4Dx+2D-2Cx)+cos x(...+2Dx)=5sin x. Basically a bunch of Cs, Ds and even x's. Could I just ignore the terms that have an x in this case?
The last questions involving Trig... How do you find out the value of C and D??
I watched the video and still curious about what if y_h roots unequal and unreal. What happens the equation y_h then?
great video! thanks a lot plus you do it in a way which is very similar to how my professor does it, which means i can do it this way on my final exam !
Lovely...your method is clear and simple.You make my professor look dumb to me,Cheers !!!
what i am unable to understand is how he decides to choose which value to take as for the y(PI) like initially how to chose Cxe^(2x) OR cX^2E^(2x) for any question. Can someone please help! :(
I don't get the question :/
Great video, but the audio/video differences make it much more difficult to watch and understand, especially around 16:38
nice video it helped me to prepare for my exam
can u tell me how to find complementary function and particular integral
Hi, there. I'm so grateful for this videos. I'm preparing for exam in couple of days. Everything is so understandable and I saved my time and energy not reading all those books. But there is still one question opened for me. I do not understand, how did we get yp'= Ce^(2x) (1+2x) and yp''= Ce^2x(4+4x). I'm looking for reading/hearing from you soon. Thank you so much!
derivative of uv is u'v+v'u he simplified. Lol I know you surely graduated but still ...
Sir, Can u solve a example for equal and imaginary roots.
Good explanations :). Thanks !
Please show how you find A=3 and B=0
Audio and video are out of sync. But great lecture in any case. Thanks
Thanks a lot- Great video!
Awesome video. Very well explained.
if we are having two trignometric functions having different angles on the right hand side of the question, then will we find Yp for both the functions and add them? correct me if i'm wrong! please
Reply me as soon as possible!
like Sinx - Sin3x ???
thak you doctor!!! helped a lot.. I am from IIT Bombay
Great explanation
Thanks from UCSB! Great video!
why are writing and overlay view out of sync
i did not understand the part where you compared 6c=2 & 6d-5c=3
if u expand it. It becomes -5c+6cx+6d=2x+3
Then,
6cx=2x
and
-5c+6d=3
Hope it helpful
ohh thank you mate got ya!
sure welcome !
Thanks for your assistance
great work
Best review ever
sir thank you so much..you rock...
great video
thanks, good explanation!
Thankk you Mr Tisdell !
Holy respect (y)
very good
Thank you! you're a genius.
Good luck with your studies. Cricket season is starting here now!
excellent!
Thanks!
thanks alot aaaaaallllooot you saved me!
Thanks
great
well done
Beff4321
medium that's easy for sure isn't it
I'm gonna pee, STOP shhhh...ing!
+Rishabh Maheshwari Seriously, I take it this is a college class. A professor shouldn't be freaking shushing adults. I didn't even hear anyone talking.
It really cracked me up as well. :D
Hey guys...shush
Thank you, but there is no need to shout.
out of sync....
I'm late to answer but I'm new to this awesome channel, here you go: /watch?v=2symahFSBd8
No thanks
oscar
thanks DR
shshshhshhhhhhhhhhhhhhhhhhh lol. majour thanks for this.
shhhhhhhhhhhhhh shh shh shhh