Homogeneous Second Order Linear Differential Equations

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Homogeneous Second Order Linear Differential Equations - Examples & General Solutions
In this video, I explore the concept of homogeneous second-order linear differential equations, which are essential in understanding advanced calculus and differential equations. We start by identifying what these equations look like and how to classify them. Then, I demonstrate how to solve them using the characteristic equation method.

What You Will Learn

Understanding the structure of homogeneous second-order linear differential equations.
Deriving the characteristic equation to find the roots.
Classifying the solutions based on the type of roots: distinct real roots, repeated roots, or complex conjugate roots.
Solving two example equations, where I walk through step-by-step solutions showing how to apply the theory to real problems.
Identifying and constructing the general solution, depending on the nature of the roots.
This video will help you grasp the foundational methods for solving this type of differential equation, which is widely applicable in both mathematics and physics. If you’re looking to strengthen your skills in solving differential equations and understanding the general behavior of their solutions, this walkthrough is for you.

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Man, they should really create a youtube section that lists all the university courses, would save students alot of time by watching good lecturers like you teach the subjects in a concise and efficient manner. Thanks for all your videos.

kojuntan
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I have been using your videos to help me in math class since I was 15 and taking PreCalculus. I am now in college and still using your videos! Thank you so much for helping me get through school!! :)

shreyab
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God damn it.. I spent like 3 hours reading through the book, writing down the theorems and important explanations for this chapter. Then I come on youtube, type the name in, and basically can learn and understand better all the same things in less than 5 minutes. I'm pissed off right now but thank you!!

Thesoccerdood
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10 years later, I still use your videos you are the best. Thank you, Patrick.

y_p
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Maybe in this video you should have shown an example where you solve for c1 and c2 with two initial conditions so people understand that part.

mattmontana
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My university lecturers and textbooks make this seem significantly more complicated than how you explained it. Great job.

StrykerZeals
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this 10+ year old, 4 minute video was more helpful to me than my entire lecture and reading through the lecture notes. youtube really is a lifesaver

ciaradonegan
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@JaktheAtheist i still like to hear it : ) happy to be able to help you.

patrickjmt
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Patrick, I want to thank you for doing this. You not only helped me get through some difficult concepts in undergrad (and for some reason 2nd order LDEs wrecked me, hence my posting on this vid in particular), but you also inspired me to make similar type videos for undergrad physics & geophysics topics. It's beautiful how the Internet empowers ordinary people to bring quality college-level pedagogy to anyone's living room!

QuantumMadcow
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We've been doing this in class for the last 6 weeks, so I hear... I also heard that I have a test tomorrow. My instructor has a verrrry heavy accent, and stumbles so much over his english, it's tough understand his point. Although he is a genius, he could not break it down to be so simple, like you do. After two hours of study time, I feel confident going into tomorrow's test without having been to my last 10 lectures.

CoreyThompson
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I'm taking Linear Algebra II right now. As far as going from ay'' + by' + cy = 0 to ar^2 + b^y +c = 0, I don't have this in a book because my professor isn't using a book. He seems to think because I'm a senior I should know this already (maybe I should), but the table shown at 1:29 was very helpful. He did go over it in class once, but thanks for posting it again. I needed to see it again for it to make sense. THANK YOU!

MichaelRiversT
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@megabenman visit my website, click on a video and a donation link pops up : )

patrickjmt
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@khanee2877 yes, strange people were offended by a naked mannequin and i had to change it!

patrickjmt
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Patrick, if you happen to be anywhere in the NYC area, I'd be happy to meet you up and have the honor of taking a photo with you. I'll toss in a nice lunch for you as well! Thanks a lot, sir.

erickrobles
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Why aren't professors as clear and concise as you? You make this so simple to understand while I feel like I'm learning a new language in my actual class.

skateboards
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It's currently 5 hours before my first year engineering mathematics exam and I love you <3

XenFPV
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Wow, my book used some crazy complex theorems to figure these out and it took me quite a while to even understand what the initial problem was even asking. Googled my favorite math tutor and learned this stuff in less than 5 minutes. <3

miketo
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You are my guardian angel in math i passed all my algeb, trigo, analytic geo, diff calc, and integral because of u now im taking Differential equation i hope i pass too :)))) tnx patrickjmt!

jezreelsonsobremonte
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You’re the only reason I’ve survived at RPI as an engineer. I’d pay you if I wasn’t broke. Maybe I’ll send you a gift basket or something when I make bank bc of you. Thank you so much. I learn how you teach. You’re better than any professor I’ve ever had by far.

through
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It's pretty awesome that this was published over a decade ago... and it's saving my butt in DE today.

steel