💡 Problem Formulation: Mathematicians and programmers dealing with orthogonal polynomials, such as Hermite polynomials, often require operations that involve scaling these series by an independent variable, for example “x”. Suppose we have a Hermite E series expansion represented programmatically and we want to multiply it by this independent variable. Our goal is to efficiently carry … Read more
💡 Problem Formulation: In various scientific and engineering applications, evaluating polynomial series such as Legendre series at specific points is a common task. Given a tuple of points x and a set of Legendre polynomial coefficients, the objective is to efficiently compute the value of the series at each point in x. For instance, input … Read more
💡 Problem Formulation: Subtraction of Hermite E series is a mathematical operation needed in various computation-heavy fields like quantum mechanics and signal processing. In Python, the goal is to take two representations of Hermite E polynomials and subtract one from the other efficiently, where the input can be coefficients of two series and the desired … Read more
💡 Problem Formulation: In computational mathematics and physics, differentiating a Hermite E series and then multiplying by a scalar is a common operation. Let’s say we have a Hermite E series represented by H_n(x), where n is the order of the polynomial and x is the variable. The challenge is to find the differentiation of … Read more
💡 Problem Formulation: When working with special functions in Python, particularly in scientific computation, we sometimes need to add one Hermite E series to another. This could be for operations such as solving differential equations, modeling physical processes, or data fitting. The input is two sets of coefficients that represent individual Hermite E polynomials, and … Read more
💡 Problem Formulation: Differentiating a mathematical series can be an essential part of scientific computing, particularly when it involves Legendre polynomials used in various fields such as physics and engineering. Handling series data with multidimensional coefficients introduces a complexity that is often addressed in Python. For a given multidimensional array representing Legendre coefficients, we aim … Read more
💡 Problem Formulation: Converting polynomials to Legendre series in Python involves the process of expressing a polynomial as a sum of Legendre polynomials, which are orthogonal polynomials with applications in numerical analysis and approximation theory. For example, given a polynomial p(x) = 2x^2 – 1, the desired output is its equivalent Legendre series L(x) = … Read more
💡 Problem Formulation: Computing derivatives of Legendre series with multidimensional coefficients can be essential in various mathematical and engineering applications. Given a multidimensional array representing coefficients of a Legendre series, how can one perform differentiation over a specific axis to achieve a new set of coefficients that represent the derivative of the original series? For … Read more
💡 Problem Formulation: Generating the pseudo Vandermonde matrix involves creating a structured matrix where each column is a polynomial function applied over a grid of points. This article aims to demonstrate how to generate such matrices specifically using Legendre polynomials over an array of points (x, y, z). The input is a set of points … Read more
💡 Problem Formulation: Calculating the values of a 2D Hermite E series involves evaluating polynomials over a grid formed by the Cartesian product of x and y values. For given one-dimensional arrays x and y, and a three-dimensional array coefficients representing the series’ coefficients, we aim to efficiently compute the series’ values at each point … Read more
💡 Problem Formulation: Mathematicians and data scientists often face the challenge of generating a Vandermonde matrix, particularly for complex Legendre polynomials. This article demonstrates how to produce a pseudo Vandermonde matrix for the Legendre polynomial and a complex array of (x, y) points in Python. For example, given a set of points and a degree … Read more
💡 Problem Formulation: Evaluating a 2D Hermite E series involves computing the values of two-dimensional Hermite functions over a grid formed by the Cartesian product of x and y coordinate arrays. This operation has applications in many fields such as quantum mechanics, image processing, and statistical analysis. For example, if given arrays x = [x_1, … Read more