Numerical Analysis: Difference between revisions

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Numerical Analysis
Numerical Analysis
==Orthogonal Polynomials==
===Hermite Polynomials===
{{main | Wikipedia: Hermite polynomials}}
===Legendre Polynomials===
{{main | Wikipedia: Legendre polynomials}}
===Laguerre Polynomials===
{{main | Wikipedia: Laguerre polynomials}}


==Nonlinear Equations==
==Nonlinear Equations==
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Define the Homotopy map<br>
Define the Homotopy map<br>
<math>H(x, \lambda)=\lambda r(x) + (1-\lambda)(x-a)</math>
<math>H(x, \lambda)=\lambda r(x) + (1-\lambda)(x-a)</math>
==Numerical Differentiation==
See finite differencing
==Numerical Integration==
See Quadrature rules
==Function Approximation==
===Radial Basis Functions (RBF)===
See [http://num.math.uni-goettingen.de/schaback/teaching/sc.pdf A Practical Guide to Radial Basis Functions].<br>
Radial Basis Functions are functions which are only dependent on the radius of the input: <math>\mathbf{\phi}(\mathbf{x}) = \phi(\Vert x\Vert)</math>