Lagrange multipliers | MIT 18.02SC Multivariable Calculus, Fall 2010

[cowpersyn]

fucking stupid

[AntoMelta]

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[willamricard]

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[bashaelkebir]

I find it funny that the MIT channel has less views than PatrickJMT. PATRICK FTW!

[321boileranimal]

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[MadamePukengkay]

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[originalrhombus]

@MadamePukengkay You sound like you might be dating him.

[Evan2718281828]

Can someone explain a little more why you need to check (0,1) and (2,0)? They wouldn't solve the system of equations, so I don't understand why they would have to be considered.

[leopard00wolf]

@Evan2718281828 Both (0, 1) and (2, 0) are points on the ellipse, and they both satisfy the constraint x^2 + 4y^2 = 4.

[Evan2718281828]

@leopard00wolf ah, ok. So wait, how do you tell when there are boundaries that need to be checked that didn't come from the system of equations grad(f)=lambda(grad(g))?