Taylor Series/Newton Raphson Method question

In summary, the Taylor Series is a mathematical representation of a function and is used in the Newton-Raphson method to approximate the root of a function. The purpose of the Newton-Raphson method is to find the roots of a nonlinear function by improving the initial estimate. Its advantages include efficiency and accuracy, while its limitations include potential convergence issues and the need for knowledge of the function's derivative.
  • #1
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Can somebody guide me through this? I know how to apply Newton Raphson Method, but the x^* symbol and "argmin" function are kinda new to me. I am re referring to part (c). Thanks.
 
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  • #2
Did you intend to post a link to something?
 
  • #3
I'm assuming you forgot to post a link or quote something.

But your questions can be answered without whatever it is that you forgot. ^ denotes exponentiation, ie in x^y, x is the base and y is the exponent. Argmin(f(x)) is the x at which f(x) is minimized. For examples, 2^3=8 and argmin(x^2)=0.
 

FAQ: Taylor Series/Newton Raphson Method question

What is a Taylor Series?

A Taylor Series is a mathematical representation of a function as an infinite sum of terms, each term being a derivative of the function evaluated at a specific point.

How is a Taylor Series used in the Newton-Raphson method?

In the Newton-Raphson method, a Taylor Series is used to approximate the root of a function by finding the intersection point of the tangent line of the function at a given point and the x-axis.

What is the purpose of the Newton-Raphson method?

The Newton-Raphson method is used to find the roots of a nonlinear function by iteratively improving the initial estimate of the root.

What are the advantages of using the Newton-Raphson method?

The Newton-Raphson method is generally more efficient and accurate compared to other root-finding methods for nonlinear functions. It also has a fast convergence rate, meaning it requires fewer iterations to reach a solution.

What are the limitations of the Newton-Raphson method?

The Newton-Raphson method may fail to converge if the initial estimate is too far from the actual root or if there are multiple roots. It also requires knowledge of the derivative of the function, which may not be easily calculable for some functions.

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