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Published byCory Rose Modified over 9 years ago
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Lagrange Multipliers
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Objective: -Understand the method of Lagrange multipliers -Use Lagrange multipliers to solve constrained optimization problems (functions of two variables)
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Finding Relative extreme is easy (inside the region) Absolute extreme is long and messy because of the boundary condition So what???
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Example: Let’s say we want to find a rectangle of maximum area which can be inscribed in the ellipse given by
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What can you say about the gradients of the functions f and g at the intersection point?
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Lagrange's Theorem
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What is the use of this Lagrange Multipliers?
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Method of Lagrange Multipliers
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Let’s continue the example
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Example to Try
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Try Me and get rest
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Home work
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