Kronecker Delta

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  • Опубликовано: 18 дек 2024

Комментарии • 74

  • @fufaev-alexander
    @fufaev-alexander  3 года назад +3

    Support me if you want me to create more theoretical physics videos: ruclips.net/user/universaldenker-physicsjoin
    Do you want to solve every physics problem? Try my eBook!
    ✅ Contains many useful physics formulas.
    ✅ Understandable for everyone, because it contains no vectors and integrals.
    ✅ Formulas are colored and visualized.
    ✅ Perfect for high school and undergraduate physics students.
    Click on the following link to get the book:
    en.universaldenker.org/physics-equations-book

  • @AmirRezaee-nq6hy
    @AmirRezaee-nq6hy Год назад +10

    This is the best explanation, I didn't understand anything in my 90 minutes course of university but in 10 minutes i totally got it. Thanks 🙏

  • @yc1763
    @yc1763 2 года назад +19

    Appreciate this, this 10 minute video clip is way more better than a 90 minute lecture in college

  • @Takkodachs
    @Takkodachs Год назад +5

    Wow. As a German engineering Student i did understand more in this video, than i did, listening to hours of lecture

  • @Mikey-mike
    @Mikey-mike 3 года назад +9

    You are such a great teacher, one of a kind.
    Ausgezeichnet !

  • @Krishnanjan_Sil
    @Krishnanjan_Sil 3 месяца назад +8

    Please make a similar one on Levi-Civita 😢

  • @Jon_
    @Jon_ 2 года назад +4

    good intuitive explanation with nice visuals, thanks man

    • @fufaev-alexander
      @fufaev-alexander  2 года назад

      Thank you very much!
      Feel free to join the polls I'm doing in the community tab. There you can vote for the next video topic:
      ruclips.net/user/universaldenker-physicscommunity
      If you regularly visit my channel and like my videos, I would be happy about 1 x coffee ☕ per month:
      ruclips.net/user/universaldenker-physicsjoin

  • @dastin7276
    @dastin7276 Год назад +2

    Excellent instruction - well presented - complete/concise. Excellent. Thank You.

  • @jesusm1583
    @jesusm1583 3 года назад +4

    I love your videos!! Keep the good work, you have one of the best real science channels in RUclips

  • @shashanks.k855
    @shashanks.k855 Год назад +1

    Love this graphically clear explanation, thank you for putting in so much work

  • @SandeepKumar-mc4kf
    @SandeepKumar-mc4kf Год назад +2

    Nice and clear explanation 👏

  • @shee_eesh
    @shee_eesh 2 года назад +1

    감사합니다! Learned the basics of tensor from your lectures. it really helped

  • @KodxQ8
    @KodxQ8 Год назад

    Guy took 10 minutes what my professor took weeks to explain. Thanks a lot.

  • @CEMHanuragIIT
    @CEMHanuragIIT 3 года назад

    Nice video and very helpful and clean editing.

  • @VKHSD
    @VKHSD Год назад +13

    this is just a fancy '1'

  • @marcosconceicao3223
    @marcosconceicao3223 3 года назад

    Thank you so much for your explanation!

    • @fufaev-alexander
      @fufaev-alexander  3 года назад

      Thank you for watching! Check out my physics website: en.universaldenker.org :)

  • @Catalinawolff
    @Catalinawolff 8 месяцев назад

    THANK YOU !

  • @abrarahmad8036
    @abrarahmad8036 3 года назад

    Keep up the great work....

  • @dinmohammadarsalanqazi9915
    @dinmohammadarsalanqazi9915 2 года назад

    Beautifully explained. I have my Classical Mechanics exam tomorrow. If I ace it, I will give you the credits because my teacher is not responding to my messages. Thank you.

    • @fufaev-alexander
      @fufaev-alexander  2 года назад +1

      Thank you! I wish you good luck tomorrow with the exam

    • @dinmohammadarsalanqazi9915
      @dinmohammadarsalanqazi9915 2 года назад

      @@fufaev-alexander I will not disappoint you!

    • @dinmohammadarsalanqazi9915
      @dinmohammadarsalanqazi9915 2 года назад +1

      @@fufaev-alexander you are very welcome!

    • @dinmohammadarsalanqazi9915
      @dinmohammadarsalanqazi9915 2 года назад

      Well, there was a question to draw a graph of a function and it higher powers. I went into infinity mode. Couldnt get out of the loop. Anyway, I aced the exam of Mathematical Methods for Physicists without much effort at all.

  • @s.mcreation4076
    @s.mcreation4076 2 года назад +2

    Love you sir for this video 🤩🤩 i🙏🙏🙏

  • @matheusaraujo6445
    @matheusaraujo6445 Год назад +1

    Thanks bro!

  • @tee3556
    @tee3556 2 года назад

    Thank you so much!!!

  • @vincentlanglo7367
    @vincentlanglo7367 11 месяцев назад

    2:05 isn't it supposed to be 3*delta(ij) delta(jk) bexlcause thezly are added on the right side?

    • @NatHsu11
      @NatHsu11 6 месяцев назад

      no - the 3 values on the right are not all the same. If you chose specific values for i and k and try it out, you'd get 1 if i and k are the same, and 0 if i and k are different. That matches the result you'd get from the summation property: delta(ij)delta(jk) = delta(ik)

  • @AJ-et3vf
    @AJ-et3vf Год назад

    Great video 📷📸 thank you

  • @ManojKumar-cj7oj
    @ManojKumar-cj7oj 3 года назад

    You got a new subscriber ❤️😁

  • @RahulSharma-oc2qd
    @RahulSharma-oc2qd Год назад

    Is it possible to make a video on variational calculus that we use at multiple places, e.g to get equation of motion and all?

  • @CEMHanuragIIT
    @CEMHanuragIIT 3 года назад +1

    Sir how to prove rule2 properly?

  • @oyibechibundu628
    @oyibechibundu628 3 года назад

    Can you do a video on tensor calculus

  • @engrtsayyedalihassanshah2999
    @engrtsayyedalihassanshah2999 3 года назад

    Great methodology

  • @nargonne
    @nargonne 3 года назад

    Brilliant!

  • @atharwgade1131
    @atharwgade1131 3 года назад

    damn, this cleared everything!!!!!!!!!!!!!!!

  • @dudeyouhavenoidea
    @dudeyouhavenoidea 4 месяца назад

    thanks

  • @BrickBreaker21
    @BrickBreaker21 5 месяцев назад +1

    I want to learn the "radical physics"

  • @abhinuyadav1160
    @abhinuyadav1160 3 года назад +1

    Hi i like your videos . Can you please make video on lagrangian , hamiltonian and thier derivation covering all topics(d alemberts priciple, euler's equation).

  • @jannatch2189
    @jannatch2189 Год назад

    Is kroneker delta on isotropic tensor

  • @manusebastian39
    @manusebastian39 2 года назад +2

    Please explain why the rules came so instead of just stating them.

    • @fufaev-alexander
      @fufaev-alexander  2 года назад

      Check out my lesson:
      en.universaldenker.org/lessons/202

  • @MrBogdanel1285
    @MrBogdanel1285 2 года назад

    I like your videos, but the Einstein summation convention is not used like that. You need one covariant index and one contravariant index. Which becomes important when you go to general and special relativity.

    • @fufaev-alexander
      @fufaev-alexander  2 года назад

      Yes, you are completely right. I didn't want to complicate the topic with covariant and contravariant indices. The Einstein summation works just fine for doubly occurring indices, placed no matter how: on top, on the bottom, on the left, on the right or upside down. 😃

  • @anishthapa5058
    @anishthapa5058 2 года назад

    Imagine a 50D vector. :D :D

  • @jimithjoy6312
    @jimithjoy6312 Год назад

    👌👌

  • @jamiepianist
    @jamiepianist Год назад +2

    9:26 haha, bj

  • @blaqsimongfx3141
    @blaqsimongfx3141 3 года назад

    You are just so wonder

    • @fufaev-alexander
      @fufaev-alexander  3 года назад

      Thank you! Check out my new physics website: en.universaldenker.org :)