Reducible Second Order Differential Equations, Missing Y (Differential Equations 26)

[@onemanenclave]

An entire, top-quality Differential Equations course online for free. What a time to be alive!

[@Peter_1986]

He has full videos for Calculus 1/2/3 as well, lol.

[@onemanenclave]

@@Peter_1986 I know :)

[@Chapz725]

Do you watch TwoMinutePapers? 😂

[@IMadeOfClay]

Oooh new video. Here we go! Btw, just so everyone knows if you watch an advert to completion and especially if you click an advert our wonderful Professor gets a little bit back :)

[@domenicapassariello3253]

I kinda want tell my professor to slow down in class to give professor Leonard time to post more videos. I really do not know how I'm going to pass my second exam without his videos.

[@ThatDereKid]

I'm in the same boat. I wish teachers would take time to make sure they choose the best text on the subject. The only constant reference I have is the book, and the book we are using has such poor and hard to digest conceptual explanations that it's really hard to know what's going on.

[@nadiatabassum1911]

Sir... your lectures are really very helpful for me... May GOD bless you more then that you deserve.

[@mohammadnematullah2296]

Yeah

[@LiftWithMo]

My favorite teacher of all times. You are the reason I passed Calc 1, 2, and 3.

[@joeyisho5370]

Incredible human being for doing this professor, thank you.

[@onemanenclave]

Professor, don't forget to put your patreon link on your description box.

[@alansvideoplex]

Prof Lenard gives the best explanations. Wish this was around 60 years ago when I studied Calc. Wish Prof Lenard would do a linear Algebra online course.

[@WyrmholeWarrior]

Love your vids! Like how you take the time to explain everything in detail. Also, you are great at showing all your steps. Many teachers don't treat their students like beginners, and I find it frustrating when lots of hand waving is going on, but you really take the extra time to show your work, and it helps me understand a ton. Congrats on the new baby! Hope your able to crank out some vids in the next couple months. If you have any personal suggestions for another KZbinr who tackles this material I'd love to get your opinion. I need something to keep up with my class this semester. Thanks again! You're awesome!

[@kevinayers7144]

Hi Professor Leonard, I'm really looking forward to seeing the lecture on 2nd order missing X variables and on what to do when both variables are missing. I'm currently taking the class right now and your content is pretty much the only stuff I fully understand. Thank you so much for you help.

[@overheadthealbatross7963]

POV: Superman teaches you Differential Equations in his free time

[@fasihussaini8554]

I hope exact equations are gonna come soon. Much love and prayers to Sarah and your family !

[@bernd8608]

Just getting into your calculus 1 playlist. Thank you so much!

[@hollywoodbanayad7755]

Your love for math is contagious ^_^

[@noelforde237]

Professor Leonard looking ready to be on the set of scrubs. Great vids, I would be failing and repeating semesters if it weren't for you. Thank you so much.

[@massive.dynamic]

Sir your expressions are so understandable and your teaching technique is so good. Happy to discover your channel. The biceps looks good by the way :D

[@az_imagez1517]

Thank you Professor Leonard! This is a life saver.

[@shaheerrizwan5192]

You save my day sir Great respect from Pakistan

[@mdmirazulislam4502]

I wish all math teachers were as cool as Prof Leonard. Maths would have been way more fun.

[@VonGrav]

man I wish I had these videos when I was learning math in Uni :I

[@taufiquerrahman2058]

i wish u were my professor omg u are amazing

[@ajlogan5525]

Simply amazing. Thanks a lot Professor Leonard. MInd posting videos on AUTONOMOUS DIFFERENTIAL EQUATIONS Please

[@johnholme783]

Chrystal clear! Thank you!

[@hishameyad5675]

YOU ARE A GREAT TEACHER, Thank you very much!!

[@viktoriyaanissimova5871]

Thank you for these videos!!!!!!!!!!

[@uglynerd8764]

I just want you to know that you produce more and better engineers than the a holes in my uni who force me to come and then teach me jackshit about the subject.

[@amrabo-elezz3451]

Rly hope next video is gonna be here before my next lecture XD

[@kenziemayrae3568]

Have you ever considered enabling the community to create subtitles for(all) your videos? They are so helpful and I wish I could add Subtitles for people to utilize! Let me know if you do change that and I'd love to help then! Cheers!

[@astinuspalanthas]

Dear Profesor Leonard, are you planning to keep going with this list (Second order diferencial equations, fourier transform, laplace transform...? I will hace an exam of this subject following end of May. If I know you will keep going I will wait for your videos- as they are they best I have found in the web by far- if not I will look for another sources. In anycase thanks for everything you have done for science students!

[@ProfessorLeonard]

Yes, I'll continue but we had a baby a few weeks ago and I've taken some time for that. I'll be back at it soon :)

[@astinuspalanthas]

@@ProfessorLeonard Congratulations for the Baby! I will wait for your videos if you plan to come back.

[@icee562]

Will you include Laplace Transforms in your DE series???

[@handhdhd6522]

He’s going in order but he’s not there yet.... he just started second order ODEs, LTs are muchhhhh later

[@adityamittal4357]

I wish we could clone this professor for all our math courses.

[@jpdemont]

Outstanding examples.

[@johnholme783]

Yes it’s very clever, the p has taken the place of the y!

[@hdheuejhzbsnnaj]

We want Laplace! We want Laplace! Hurrah!

[@faisalaziz6331]

hello professor can you please teach the method of the undetermined coefficient for solving non-homogenous DE' S

[@Naki728]

Finding this video before my physics mathematics exam, lucky me

[@neurosync_research]

Amazing series. I'm super glad you made this. You should do Fourier series and Fourier transform as well =D

[@emresevgin1847]

Professor, will you explain the linear algebra part of differential equations ? It would be awesome.

[@ProfessorLeonard]

Yep!!

[@emresevgin1847]

@@ProfessorLeonard Thanks a lot

[@johnkiserliss123]

So many people have replied with excellent reviews about professor Leonard .I really would like to see more people support him on Patreon, for as little as $1.50 a month.

[@gregc4642]

Your suppose to put cos(x) professor leonard 40:12

[@andrejpoljakovic5482]

Hello Leonard! Man,I got to tell you,I saw the equation that you start at about 23:49 and I was looking at it and was like lets multiple all with x,so we get a chain rule on the left side. And like,okay, you will do the same,and then YOU DIDN'T! I was like professor Leonard, did I just saw something you didn't? I was so proud of myself for seeing that, and I had to write a comment on it. Thank you for doing all of these videos,from calculus 1,to these videos. I passed one subject because of you,and am preparing for the next one. It's a shame that you didn't do partial differential equations yet,but i'm really glad you did at least 1st order diff. eq. I hope you see this comment and maybe even reply, because I would really love for you to know that you help people all around the globe! Cheers from Serbia! :) P.S: Sorry for the long comment professor,I tried to make it short but couldn't. Best of luck to you sir,and keep these videos coming. :)

[@brunogreco1831]

Hello leonard, can you make a video of a Gamma function and holomorphic function?that would be interesting,your lessons are outstanding.

[@ronaldjensen2948]

43:50 Wouldn't it have been simpler to say p = -1/(x+c) instead of p=1/(-x+c)? That leads to a cleaner solution that doesn't have a -x in the log.

[@blantonvego4016]

Are you going to do Linear Algebra after diff. eq.?

[@christiancarlson227]

"You know what, I'll show it to you" im dead lol

[@victoriachan9290]

Hello Professor Leonard, thanks for saving my Calc grade! Would you be teaching Linear Algebra soon?(like before Aug 2019?) Need that so much!!!

[@spanishlanguageeducational3737]

Thank you!

[@jpdemont]

I love your videos Professor, but your casual mixing of Leibniz and prime notation is maddening, and you do it in a single equation. dy/dx = P and y'' = dP/dx. Really? How about y' = P and y'' = P' or dy/dx = P and d2y/dx2 = dP/dx? I'm a supporter on Patreon. I might suggest sticking with Leibniz's notation because it is alway clear what the independent variable is.

[@DutchNorthAtlanticAlliance]

In the example at 38:17 is there not a domain restriction for v since tangent is domain specific?!

[@pilearn1266]

What about higher order homogeneous differential equation? are you plan to do a video on it ?

[@fasihussaini8554]

plz do add more higher order DEs topics

[@shaheer_ghazi]

God bless

[@nadiatabassum1911]

Professor ! Will you please explain a NonLinear First Order Differential Equations Solvable for p, y and x...????

[@sam0812]

If you have e^y in the 2nd order equation does this mean we can’t use this method ?

[@anasalakkad1282]

hi professor leonard, i just want to know how many videos left for this course?

[@ProfessorLeonard]

LOTS! But, we just has a new baby, so things are taking more time than normal to produce.

[@anasalakkad1282]

Professor Leonard congratulations

[@stewartmoore5158]

If teachers had the Oscars, you'd have a heavy shelf.

[@frankie8086]

@ 19:40 why does he put a Dx in front of the (X* P)?

[@MathTutorVideos]

Quick question, would it be considered better form to move the "A" constant infront of hte ln inside the ln as a power at 23:29 or just keep it out infront? Why is one better than the other?

[@_zay__326]

Please please sir we want partial differential equations 😢😢😢💛!!

[@smwstudio9427]

Um isn't the integral of tanx lnabs(cosx)? why did you write sec? (40:20)

[@lesnah1111]

Professor Leonard, Please please. I know you are busy, but we do need you. No more videos after this feels like jumping off a cliff.

[@ProfessorLeonard]

Coming soon!!

[@jakel4316]

@@ProfessorLeonard I don't know if you'll see this but you've helped me tremendously in different math subjects and I can't appreciate your work more. Never stop!

[@johnkrasinsow7564]

Are you going to do a video on vector spaces?

[@supernovae9990]

WOW FINALLY ❤️

[@zv019]

Isn't the integral of tan(x+C1) = -ln(cos(x+C1)) or am i trippin?

[@egeuludag972]

Thats my superman

[@juniorjay001]

When's the next video coming out Prof?

[@theengineer9910]

Saint Leonard

[@Helmutandmoshe]

Will the series be continuing soon?

[@robertbrandywine]

How does your university structure DE courses? What are they called?

[@drh0use1]

Hey Professor, shouldn't the integral of TAN(X+C1) be -ln|COS(X+C1)| in 39:26. Thx in advance !

[@fkncompton7124]

They're actually equal. You can make the -lncosx into lncos^-1x which is the same thing as lnsecx

[@HiStephUrMRBs]

You're extremely helpful and very handsome!

[@lanoaahan2532]

please can you make a video about partial differential equation?

[@brandonberisford]

not in this series.

[@Peter_1986]

I am studying partial differential equations at the moment, and I would consider that a fairly advanced course - probably not something that you would teach at a community college. It involves a lot of complicated crap like Hilbert Spaces and weight functions etc, and one single problem takes like 20 minutes to solve sometimes. The easiest PDE technique is without a doubt Separation Of Variables, which involves replacing a function u(x,t) by defining it as u(x,t) = X(x)*T(t) --- in other words, a function that is the product of a function of x and a function of t --- then putting that equation into the original equation and separating the functions of x and t, and then setting them equal to each other. And since they are equal to each other and depend on their own variables, they must both be constant and thus equal to the same constant, so you turn both of them into ODEs and solve each of them separately by checking the cases when the constant is less than 0, equal to 0 and greater than 0, to figure out what the constant needs to be. Might sound tedious, but it's relatively easy once you got the hang of it.

[@The3Dpwnage]

Is this similar to reduction of order?

[@The3Dpwnage]

it appears that my professor is covering an almost completely different curriculum because we covered almost every one of these videos all before the 1st exam

[@samishkagovender]

"Y GONNNE"🤣

[@mukundakhanal4029]

pllllllleeeeeaasseee make linear algebra videos. please..

[@kunjbhatt2258]

Where does he teach???

[@tdchayes]

i believe he is on the faculty at Merced College, which is a California "Community" College (prep for transfer to a 4 year program, or a 2 year Associates Degree). This has to be the best deal for a differential equations class in the whole nation!

[@feilongish]

19

[@MrMutaz1991]

It's been awhile since this last video.. What's happenin?

[@ProfessorLeonard]

Had a baby :) I'll be back at it in a little while.

[@MrMutaz1991]

@@ProfessorLeonard congratulations :) .. god bless this baby

[@HH-yb2dv]

Hi

[@kevinayers7144]

I can smelllllllllllllllllllllllllllllllllllll.....the reducible second order missing x and both casessssssssssssss.... coming.

[@sarekoz5071]

Oh mann, ı didnt understand anything but you are soooo handsome

hocam beni parcalar misini

bicepsleriniz islatti hocam

[@marsilv4319]

Ok I know I’m not the only female here who’s distracted by his good looks

[@nthako]

3:00 💀💀💀

[@maldova]

Professor, please make a video wearing tanktop

[@status_lover_ymj2389]

Any indian here 👇

[@mossm717]

Y gone

[@caesaryumury5839]

the xvideo lol

[@abaundwal]

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