Lagrange Multipliers

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Lagrange Multipliers

VerrKol

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#14

2012-11-12, 10:14 PM

Marksman Bryan Wrote:This works well.

I am pretty sure that it's :
if D > 0 and fxx(a,b) > 0; f(a,b) is a local minimum
if D > 0 and fxx(a,b) < 0; f(a,b) is a local maximum
if D < 0 then saddle point
if D = 0 then test fails

I looked up my notes and that's what I have written, and Wikipedia also says this.

Oh whoops, misread it. You're completely correct.

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Messages In This Thread

Lagrange Multipliers - by Marksman Bryan - 2012-10-29, 12:41 AM

Lagrange Multipliers - by Rick - 2012-10-29, 12:55 AM

Lagrange Multipliers - by Marksman Bryan - 2012-10-29, 01:26 AM

Lagrange Multipliers - by VerrKol - 2012-10-29, 01:55 AM

Lagrange Multipliers - by Marksman Bryan - 2012-10-29, 02:06 AM

Lagrange Multipliers - by Rick - 2012-10-29, 02:27 AM

Lagrange Multipliers - by VerrKol - 2012-10-29, 04:08 AM

Lagrange Multipliers - by hadriel - 2012-10-29, 04:19 AM