Applications of multivariable derivatives
The tools of partial derivatives, the gradient, etc. can be used to optimize and approximate multivariable functions. These are very useful in practice, and to a large extent this is why people study multivariable calculus.
This course contains 6 segments:
Tangent planes and local linearization
How to compute the tangent plane of a three-dimensional graph, and how this can be generalized to approximations of higher dimensional functions.
Quadratic approximations
How to approximate a multivariable function with a quadratic function. This is analogous to a quadratic Taylor polynomial in single-variable calculus.
Optimizing multivariable functions
Maxima, minima, saddle points, and how to identify them using the second partial derivative test.
Optimizing multivariable functions (articles)
In practice, people don't play with multivariable functions just for fun. Quite often, you want to optimize something, like the profit of a company or the air resistance of a plane. Using the tools of multivariable derivatives, we can find the maximum or minimum values of many multivariable functions.
Lagrange multipliers and constrained optimization
How do you maximize a multivariable function when there's some constraint on the inputs that you're allowed? This is the kind of problem that comes up all the time in practice, so knowing how to approach it is incredibly useful.
Constrained optimization (articles)
How do you find the maximum or minimum of a multivariable function if you are constrained to only look at certain inputs? For example, maybe you want to maximize your companies profits, but you have certain budgetary constraints.
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Length | 6 segments |
Starts | On Demand (Start anytime) |
Cost | Free |
From | Khan Academy |
Download Videos | On all desktop and mobile devices |
Language | English |
Subjects | Mathematics |
Tags | Math Multivariable calculus |
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Rating | Not enough ratings |
---|---|
Length | 6 segments |
Starts | On Demand (Start anytime) |
Cost | Free |
From | Khan Academy |
Download Videos | On all desktop and mobile devices |
Language | English |
Subjects | Mathematics |
Tags | Math Multivariable calculus |
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