Linear Programming, Lecture 7. Simplex method: theory, algorithm, tableau

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Sept 13, 2016. Penn State University.

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I fell asleep in class with my professor but with you, this subject's so amazing

jasonnguyen

I'm happy that I found your videos. Thank you for making LP easier for me.

alirezashojaei

This course was quite boring for me, but after watching your videos so for, I am fascinated a lot towards this course. I am really thankful to the professor and Penn State University for Posting such a nice videos for LP.

melleniumster

At index 1:09:36 you made an error, equation 2 should be multiplied by negative 1/6. it should have rendered 1*X2 + -1/6*X3 + -3*X5 == 17

MrCafitzgerald

Can anyone provide an intuitive explanation why we choose the X_k with the strictest constraints?

AndrewJames

30:29 I think the argument holds only when it is convex. Luckily LP problems are convex

alexanderyau

How do we decide on how many basic variables we should have in a LP system?

jameszack

Great video as usual! I want to ask: Why do we use Tableau form instead of matrices? Are Tableaus used anywhere else? Are there any issues with using matrices for simplex method?

odugoestoschool

i am wondering why you didnt't use Jordanian elimination method from the beginning instead of poviting, it is more clear.

mohamadothman

Hi, professor. Can you please kindly tell me if the canonical form by pivoting in last example is strictly the same as what you did? like, at 50.24, you obtained (1')by equation (1)and(3), while I wanted to eliminate X_4 by equation (1)and(2)? Thank you

tfsipmf

Teacher do you use, Liberman's textbook? Or Taha's texbook?

petrolhead

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