## Defeating Giant Movie Monsters Using Mathematical Modeling

##### Thomas Forrister August 5, 2019

The predator-prey equation can predict how we’d fare in a monster invasion, as well as real-word biology and ecology scenarios like shark overpopulation and tumor movement.

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### Efficient Parameter Control and Usage in COMSOL Multiphysics®

##### Friedrich Maier June 4, 2019

Any model can benefit from a proper parameter list. Learn how to control and use model parameters more efficiently with features such as parameter nodes and forms.

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### Introduction to Numerical Integration and Gauss Points

##### Henrik Sönnerlind May 1, 2019

In this comprehensive blog post, we go over the theory behind numerical integration, Gaussian quadrature, Gauss points, weak contributions, and much more.

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### How to Use the Parameter Estimation Study Step for Inverse Modeling

##### Amelia Halliday March 29, 2018

This blog post includes a tutorial video. Watch it to learn the steps for performing a parameter estimation study for inverse modeling in COMSOL Multiphysics®.

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### Using Radial Basis Functions for Surface Interpolation

##### Walter Frei March 8, 2016

Have you ever had a set of nonuniformly distributed points in a Cartesian plane that sample a surface height, such as points on the contours of a map or data points representing some material property data? If so, you probably also wanted to reconstruct, or interpolate, a continuous and smooth surface between these points. You can construct such a surface using the core capabilities of COMSOL Multiphysics by using Radial Basis Functions. Let’s find out how…

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### Accessing Nonlocal Variables with Linear Extrusion Operators

##### Temesgen Kindo September 29, 2015

In many simulation tasks, it is necessary to transfer variables from one region of a computation domain (the source) to another region or component (the destination). In COMSOL Multiphysics, this functionality is achieved by defining a point-to-point map, called an extrusion operator, that relates a set of destination points with a set of source points. Once a mapping is established by an extrusion operator, all variables defined at the source can be accessed from the destination using the same operator.

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