Math

💡 Problem Formulation: In mathematical and computational fields, it’s common to work with orthogonal polynomials such as Legendre polynomials. Evaluating a two-dimensional (2D) Legendre series on the Cartesian product of two domains, x and y, involves computing values over a grid defined by these two variables. This article aims to illustrate Python methods to perform … Read more

💡 Problem Formulation: We aim to generate a pseudo-Vandermonde matrix using Legendre polynomials given a complex array of points with coordinates (x, y, z). The Vandermonde matrix is a key component in various numerical and approximate calculations, and its construction for complex points via Legendre polynomials extends its applications. The typical input is a list … Read more

💡 Problem Formulation: In computational mathematics, evaluating a Legendre series at specific points involves calculating the sum of Legendre polynomials weighted by a set of coefficients for each point. When dealing with 3D space and a 2D coefficient array, this task can become complex. The input consists of a 2D array representing the coefficients of … Read more

💡 Problem Formulation: This article focuses on constructing a pseudo Vandermonde matrix utilizing Legendre polynomials evaluated at a grid of floating-point numbers representing 3D coordinates (x, y, z). The generating process involves mathematical operations that efficiently compute this matrix. As an example, given a set of points such as [(1.0, 2.0, 3.0), (4.0, 5.0, 6.0)], … Read more

💡 Problem Formulation: When working with Hermite E series in three dimensions, particularly for applications in computational physics or computer graphics, it is often necessary to evaluate the series at specific points (x, y, z) using a given set of coefficients. This problem typically involves traversing the coefficients in a 2D array to calculate the … Read more

💡 Problem Formulation: We seek efficient methods to evaluate the 2D Hermite E polynomial series at specified points (x, y), using only a 1D array of coefficients. As input, we accept values of x, y, and a 1D array of coefficients representing the Hermite E series. The desired output is the evaluated result at the … Read more

💡 Problem Formulation: Given two Hermite E polynomial series, the task is to divide one series by the other and obtain a quotient series. Hermite E polynomials, commonly used in probability theory and physics, can be represented in Python using arrays or specific libraries. For instance, if you have two series e1 and e2, the … Read more

💡 Problem Formulation: Multiplying Hermite E polynomials is a common task in fields such as quantum mechanics, probabilistic analysis, and computational mathematics. Given two Hermite E series, h_e1(x) and h_e2(x), we aim to find an efficient way to compute their product, yielding a new Hermite E series h_e3(x) that encompasses the multiplication result. For example, … Read more

💡 Problem Formulation: When dealing with polynomial approximations in numerical methods, Legendre series are frequently encountered. We often need to integrate these series within a certain interval. This article takes you through Python techniques for integrating Legendre series and customizing the order of the integrated polynomials. Suppose you have a Legendre series as input and … Read more

💡 Problem Formulation: Creating a Vandermonde-like matrix using Hermite E polynomials and a given 3D array of floating points (x, y, z) is essential for various numerical and scientific computations. The challenge lies in transforming a set of points into a matrix form where rows correspond to the points and columns correspond to the Hermite … Read more