1.8.1 Asymptotic Notations Big Oh - Omega - Theta #1

[@lunaticfringe3890]

We pay thousands of dollars in our Universities and all that money can't even match to Dr. Adul Bari Sir selfless efforts and Teachings. Huge Respect.

[@kingofkings6302]

"Thousands of dollars",I thought you were 150 rupya dega...

[@kaustubh_ramteke_07]

@@kingofkings6302 lol, had the same thought

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Ahhh...kadak hai🤧

[@samiranroyy1700]

Exactly

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@@kingofkings6302 Agree. Also, the gent's name is Abdul Bari.

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Hi Abdul. You saved my life in my college career, and now I am passing your secrets down to my friends who are just starting out. I hope you are living a prosperous and blessed life for how much help you have been.

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I am feeling that you are doing 1-On-1 Training to me, as you pause and explaining. Hats off sir!!!

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This man taught me more than my university professors. Huge respect sir. Thank you

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me too lol

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This is how education should be. Clear and to the point, without showing (bragging) the knowledge the writer/teacher/content-producer has. The learner/student should be able to grasp everything, which is exactly what you do Abdul! I see none of the online PAID sites/videos/tutorials/courses, and even books are written by well-known authors would clarify the subject. They'd hurry about completing the course, by giving complex math formulas, giving weird and non-realistic examples, giving complex problems to solve - BUT without letting the learner learn anything!

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Sometime when a person is too experienced, they overestimated their learner ability because they already forgot how it feels confused in that specific topic at first. Like I've been programming for 2 years now and explaining function to my newbie friend is so hard. I already forgot how I struggle in function.

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No other instructor holds my attention for as long as you do! I understood every word! Thanks for the great lesson.

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[@vinayak8100]

One year ago I completed my graduation. Finally, this topic made sense to me. Thankyou sir, what I couldn't learn in 4 years, I learned in these 20 minutes.

[@sanusinha5118]

Suggest me a book for algorithm as i am a beginer ,,,,

[@kaushikmazumder4553]

@@sanusinha5118 Introduction to Algorithms by CLRS. Do remember this book is not going to be an easy read in the beginning. But at the same time this book is second to none. However tough it may seem, stick to it. It will eventually click at some point.

[@ankitcaring]

Same here bro

[@Walruz1000]

@@kaushikmazumder4553 Is that book EVER going to be an easy read?!?

[@funkysoul619]

8 years after graduation, this topic finally made sense to me

[@technicallove5397]

You dont hate or love a subject, you simply hate or love the teacher!! And Abdul Sir, you are the reason, we started loving Data Structures and Algorithms!! Huge respect for sharing the priceless and simplified lesson without any jargons!! These are eternal!!

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Signs of good teacher is they include why the topic is used before actually explaining the thing. OG guy!

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I have watched so many videos, and this was by far the most helpful. For some reason, your teaching style, and the way you over view the topics, stopping at certain points to go into further explanation were really helpful! I'm so lucky I found your video. Thank you sir.

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Damn, I payed 0 dollars for this video, and he taught me better than my professor

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true

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stfu idiots just watch the video and keep chuding

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You are an amazing professor! I've sat in every class so far this semester and my professor made 0 sense to me regarding this. After watching your 15 minute video I totally get it now. You deserve some sort of award.

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@@SeekCoding at least try to make a comment that makes sense

[@praveshkhanal]

14:58 Wow you cleared up the exact thing I was mixing up. Thank you so much! I guess sticking until the end of the video is sometimes very helpful.

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I am randomly searching videos for understanding the big oh concept with examples. After watching 5-6 channels, came across your video. After watching, I am so excited that the concept is clear and I could easily apply big oh concept many expressions. To my goodness, I see a complete playlist in your channel and started watching and targeted to complete the playlist Thank You sir and great respect for providing such quality videos.

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[@health.upgradedbyscience.7309]

I never before got more than a very blurry idea of what Big-Oh-notation really is about - but you make it all so clear, the meaning, the closer and broader context - thank you from the bottom of my heart!!! Thanx a million for your effort and time!!!

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I have struggled in two semesters to understand this concept. Phenomenal explanation, I finally got this.

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In 15 minutes, you explained this better and more clearly than my lecturer could in 2 hours. Big thanks, and I hope you're still actively posting this content!

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in which College u r?

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he taught so smoothly and explained in such a easiest way that everything goes into mind in one go and will remember FOREVER.

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You did in 15 minutes what my course material couldn't in hours. Thank you, I genuinely would be lost without this help.

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The perfect explanation which will take minutes to understand from book & you made it possible in seconds 🔥

[@МавлюдаМехруллаева]

You are a great teacher. I spent almost a week to understand the differences between upper and lower bounds. You cracked everything. Thank's a lot for this brilliant explanation . 👍👍👍👍

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The 1st Line that you have written on the white board: 1

[@RinkumoniKhanikar]

When we studied algorithms, our teacher said that "this is big-oh, it belongs to upper bound, this is big-omega, this belongs to lower bound...." then showed the theorems and till today after passing out MCA I get confused which one is big-oh or theta. Praise to Abdul Sir who not only describes the theorems but also visualizes all of the notations.

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[@sumandas201]

this is probably the best explanation for this particular topic............. now I can teach others ...........

[@ankitcaring]

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[@kgsmurthy]

After referring many books and listened to countless number of lectures, this is the first time my brain could fully understand Asymptotic Notations. Thank you Abdul Sir. May you live million years.

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I have been going through so many videos of Asymptotic Notation.....none of their explanation was as good as yours..Thanks Alot sir

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The best explanation of Asymptotic Notation on entire internet. The last advice on best/worst case was a top notch.

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The university lectures are scheduled consecutively and adhere to strict time constraints, ensuring that they cover a wide range of topics to achieve specific learning objectives. The university system is observed to exert significant pressure on the staff, particularly in terms of publishing. Watching lectures from university lecturers on KZbin is helpful because it allows you to learn without being under any pressure.

[@user-kp2pp6ou1s]

It’s been 6 years from uploading this masterpiece and it still efficient and helpful. Thank you so much professor Abdulbari❤

[@joefer333]

Best Case != Big Omega Worst Case != Big Oh Average Case != Big Theta This needs to be highlighted more! This was not taught in my subject and I haven't read it elsewhere. +1 for giving away these gems of knowledge, sir.

[@oliverbeck6839]

that's not true though, you cannot say Big Oh is the worst case always, it could a case worse than the worst case which is impossible, Like n is O(n^2) but also O(n^3) and also O(n^4) so you can't just say its the worst case...

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Bro see 14:59 again

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People seem to be missing the '!'s in my original comment, hence the confusion :)

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[@jayendrarana9380]

The moments he started saying don't assume these notations as best case and worst case, I can't tell you how many faces flashed my mind which told me the wrong assumptions. It was so relaxing, thanks a trillion Sir, you are just amazing.

[@ankitcaring]

Same here bro.

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Your way of explanation with examples is really good sir, I've watched some videos from "Coursera - Algorithms Implementation by Stanford", they just rush through the topics, without providing any clear information, thanks a lot sir for your time and patience in making these videos, surely many of the students & professionals will definitely get benefited out it

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Love India🇮🇳🇮🇳🇮🇳 from China. Too bad my MIT educated Phd professor couldn’t explain things like this as good as Mr. Bari

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from when MIT shifted to China?

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@@unknownman1 he's MIT EDUCATED you dumbass... he can teach where ever he want

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​@@unknownman1he said that his professor is a phd from MIT... not MIT in China

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The last tip was very important to clear future confusions. Thanks a lot sir.

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Watching this video before my Algo exam. Even though i understood the concepts in my class, this videos are super helpful and detailed to recapitulate the concepts. Great work. Thanks a ton.

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thanks a lot, sir! I was literally on the verge of crying because of O notation. You cleared my concept so well sir thank you🙏

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Thanks you very much sir , I was confused about all big o theta and omega for a perticular function you made it very easy ,these important tricks are your hardwork.

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His lecture is very helpfull.

[@CHAOSTECH]

Now it makes sense why I see so many explanations are mixing the Big O and Big Theta. Thank you!

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Happy teacher's day sir.. you are awesome.. I'm just started learning ds and algo and I think I'm in right place to start 🔥❤️

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Amazing video, clear explanation and straight to the point. I do appreciate when you gave a real example of how to solve simple problems. Thanks a lot!

[@subhamchoudhury3124]

2:56 Big 'O' Notation 9:52 Omega Notation 12:57 Theta Notation

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And like that your search for right video ends here. Thanks a lot for uploading this!

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I think it is the best explanation on asymptotic notation

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I have seen many videos but the way you explain algorithm is the best and easiest way

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i have been felt that i'm in classroom and I got remembered my college days., such a wonderful lecture and got a deep copy in my brain. Thank you so much Sir. Abdul Bari god bless you

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His voice is so peaceful and he explain things better than my thesis advisor

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Finally understood these concepts. Thank you for these amazing lectures :)

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He really just explained asymptotic analysis in 15 minutes when my professor couldn’t in 90 minutes

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Great explanation... this is clear and concise

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[@rib_rob_personal]

The visual of the upper, lower, and tight bound equations made this so much easier to understand. I also appreciate showing both correct and incorrect answers.

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Really amazing way of teaching. Cheers :)

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[@nishukumar7621]

Very good and easy explanation sir,i have watched many videos but none could clear my concept. Thanks you a lot

[@bkhd]

The *most important point* of all the ones mentioned - 14:56

[@unpatel1]

Professor Abdul Bari is fabulous!! What a great explanation in each of his videos! Two thumbs up!!!

[@gulrezeqbal3048]

Very nice explanation ! Thanks

[@pranavJha93]

i was really very confused when i was studying this topic from gate smasher but you made it very clear