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Columbia College - Math Department
Добавлен 26 апр 2016
Видео
Simplex Method with Calculator - Puzzle 8.1.4
Просмотров 183 месяца назад
Calculator available from github.com/joemanlove/SimplexCalculator or github.com/nonetypes/SimplexCalculator
Finding Inverses with Desmos Matrix Calculator
Просмотров 264 месяца назад
Finding Inverses with Desmos Matrix Calculator
Solving Systems with Desmos Matrix Calculator
Просмотров 174 месяца назад
Solving Systems with Desmos Matrix Calculator
Finding the Null Space Example w/ 2 pivots
Просмотров 4011 месяцев назад
Finding the Null Space Example w/ 2 pivots
Finding the Null Space - Example w/ 1 pivot
Просмотров 2011 месяцев назад
Finding the Null Space - Example w/ 1 pivot
Column Space ("The Picture" part 1)
Просмотров 1311 месяцев назад
"The Picture" in question is the cover art on Strang's linear algebra book.
Reverse the Order of Integration Example
Просмотров 58Год назад
Reverse the Order of Integration Example
Now do the same thing while wearing a rainbow wig Bozo Sort
thanks dude
a very good explanation even for engineers like me ) ruclips.net/video/hUlvxaQBW78/видео.html
nice, great way to explain linear programming
i know this video is old but like the other comments said this was a really good quick explanation, thanks
This was actually so helpful for my discrete math homework! Thank you so much!
Fake
What do you mean fake? genuine question.
@@jordmania4395 Its not working
yes
Can he do Radix MSD In Place Base 10 Sort?
This is not how it works ..but good video👍🏿
I think a good runner up for dumbest sorting algorithm has got to be Stalin Sort. It deleted any data that is out of order
Hi! I know I’m seven years late but I’m doing this in school right now and I understand the scouting party example in a related video, but how would this example relate to that? Why wouldn’t you have to multiply both together like in that example?
wait till you learn about bogo bogo sort
Okay I just wanna know why it’s written La-teX and pronounced La-teC. Other than that it’s really a great tool and I exclusively use it for scientific reports after having learned it.
Some people will tell you I'm wrong on pronunciation, I'm not sure there's an official answer.
There is an answer to this actually. The original TEX developed by Knuth refers to the greek letters. So it‘s a xi, not an x.
there is a parallel universe where bogo sort always works the first time and no one knows why
very helpfull video
very nice!
big autism
Best case : O(n) Average and worst case : O(who tf knows)
Best case is actually O(n) because it still has to go through all items to check that they are in correct spot. If there are n items, it checks all n
Best = O(n), Average = O(n!), Worst = [never finishes]
@MichaelDarrow-tr1mn Average is O(n * n!). Recall it needs to check every time which takes O(n) time.
Wait did these dudes find out about bogobogo sort
For 7 items,I will put it in I!/G1!,G2!...GN!(with determination) and get a 1/5040 chance of sorting it correctly.
Truly the worst
Basically like a fly. Trying random things until you get it
Chuck Norris sort: it IS sorted
But Bogosort is just a secularized version of Miracle Sort. Miracle Sort: 1) Check if your array is sorted. 2) If it isn't, randomize the order of the array. 3) Because Miracle Sort always works, the current order of the array must, by definition, be the correct ordering. If it looks like it isn't, it's because you're wrong about what the correct ordering is. Your array is now sorted.
Isn’t that Intelligent Design sort? Miracle is waiting for cosmic rays to flip the bits into the exact correct pattern
bogo
Bogos binted
Very easy to understand, thanks!
Freya Holmér made an amazing presentation about how you can multiply vectors and the result of multiplying vector a and vector b gives you the dot product plus the wedge product. Wedge products are the same as cross product except instead of x, y and z, you use xy, yz and zx which are unit planes. This is also a more general version of multiplication compared to cross product since it worns in all dimensions rather than just the 3rd and 7th
The presentation is on youtube and is called "Why can't you multiply vectors?"
And Freya's video is why this video is getting so many downvotes. (It shows that they think we are estupidio.)
Thank you sir!
What were the other two scenarios where multiplying vectors makes sense? You made me curious
For vectors using real numbers as entries and scalars, the natural examples of vector multiplication being defined occur in the real numbers, the complex numbers, the quaternions, and the octonions. In the complex numbers everything works in basically the way you'd expect. In the quaternions the multiplication isn't commutative (i.e. uv !=vu). In the octonions multiplication isn't even associative (i.e. (uv)w != u(wv)). You could probably argue that there's another example too, the set of vectors made of only the zero vector, but that's pretty boring. If you're interested in learning more, a Linear Algebra course is a great spot too start. You'll find the definitions needed to start this conversation in depth there. You'll probably encounter the quaternions and octonions in an abstract algebra course. Quaternions actually have some applied uses, so they get airtime in most algebra courses.
The correlation between (x,y), input/output, solve/evaluate, f(x), range/domain….so confusing
Quantum bogosort: 1. Shuffle array 2. Check is array is sorted 2.1 If array is not sorted, destroy the universe Therefore your array is always sorted, because only the universes where bogosort works are the universes that remain
Unfortunately, the shuffling isn't truely random, as rng is determinent, but assuming many worlds hypothesis is true, and we were to make a truely random number generator, then yes, it would be the fastest sorting alg
@@ArtemSayapovSlap a quantum sticker on it and ya good to go
@@ArtemSayapov We also can't destroy a universe. I think a true RNG is the least of our worries mate.
Bogos binted
"Bark bark" - Translate to English: "Spherical integration? More like Sphericool integration"
your videos are really saving me out here thank you for the good work
bogos binted?...
If you think that's bad, wait till you see bogobogo sort
Bogo Sort: the reason O(n!) exists
Wonderful explanation, but why are PDEs so often described as nearly impossible to solve?
I've got this problem on my website how can fix it!
Hi!. How did You solve it I have the same problem
Same problem bro
@@no-name-hudid you find any solution?
@@erikareyes285bruhhh i got it. I found the right solution. Reply fast
@@no-name-hubruhh i finnly found the solution . Reply fast
"BOG" means god in slavic languages. So, to us it is the GODLIKE sort.
Only use it if you have the power, time, and patience of a God. 😂
Please dont misheard it Its not hobo Its gobo
It's not gobo. It's bogo.
@@MichaelDarrow-tr1mn No, actually he sorted the letters with Bogo sort. That's it...😂😂
@@OleeveeyaChakraborty b=B. my math says so.
thanks!
ruclips.net/video/doETQ9VSzN4/видео.html
thanx. hope your students pay more attention to a master like U
"magic smoke" sounds like you're talking about marijuana
Also titled "how to get away with a pyramid scheme"
Excellent explanation and working through a problem. Thank you very much. Is there a playlist for this?
Namaste, Joseph. I apologize for my absence, for I have been on a journey in the outermost reaches of the Cosmic Soup. I see that you are still yet to remove your Mental Frog, though your small animal still has many sharp teeth. Follow guidance and you will follow guidance. hold in your mind, Do not forget, 333 Hz shortwave upquark frequencies, Envision maximum constructive interference-- envision Meditative quantitative wavefronts for Demonstrative Connection to the Universe full Spiritual Healing Shaman guidance. The amount of Time which had passed was naught but a solitary laugh in an empty cave-- echo upon echo for eternity. yy77Time is nothing. It is all encompassing. Time is not a statement, but a question. Time is a mass hallucination. Time is the mother of all objects-- those that are not living, and those that are convinced that they are living. This is not to be grieved, but to allow one to be spiritually freed.
Greetings, One question, how do i get python to get text from the sub-links in the Wikipedia page?