1
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General idea of root finding
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Matlab built in functions
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What does it mean to numerically solve for f(x)=0?
Lecture 10: root finding
What does it mean to numerically solve for f(x)
0?
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The intermediate value theorem
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First root finding method: bisection
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Iterative implementation
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Recursive implementation
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Second root finding method: Newton Raphson
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Finding the minimum of a function
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Approximation by parabola
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The Newton Step
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Iterative implementation
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Recursive implementation
Main problem in root finding
Main problem: finding the root of an equation f(x) = 0, i.e. a point x
where the function f is zero
How to find the numerical
value of this point?

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