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Gauss Newton - Non Linear Least Squares
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If our function is non linear (w.r.t. the unknown coefficients) we can use non linear least squares to find them - but there will be no closed form solution. Numerical methods like the Newton-Raphson method could be used.
There are 2 ways to look at the Gauss-Newton method: either as Newton-Raphson method which uses an approximation of the Hessian (of the loss function), or as an iterative ordinary least squares which uses a 1st order (linear) Taylor approximation (of the non linear function itself).
* 🎉 Special YouTube 60% Discount on Yearly Plan – valid for the 1st 100 subscribers; Voucher code: First100 🎉 *
Why become a member?
* All video content
* Extra material on complete-courses (notebooks)
* Access to code and notes
* Community Discussion
* No Ads
* Support the Creator ❤️
~~~~~ SUPPORT ~~~~~
~~~~~~~~~~~~~~~~~
If our function is non linear (w.r.t. the unknown coefficients) we can use non linear least squares to find them - but there will be no closed form solution. Numerical methods like the Newton-Raphson method could be used.
There are 2 ways to look at the Gauss-Newton method: either as Newton-Raphson method which uses an approximation of the Hessian (of the loss function), or as an iterative ordinary least squares which uses a 1st order (linear) Taylor approximation (of the non linear function itself).
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