{"id":"https://openalex.org/keywords/polynomial-approximation","display_name":"polynomial approximation","description":"Polynomial approximation is the use of polynomial functions to represent or estimate other functions, with applications in numerical analysis and modeling.","display_name_alternatives":["approximation by polynomials","polynomial approximations","approximation using polynomials"],"ids":{"openalex":"https://openalex.org/keywords/polynomial-approximation","wikidata":null},"primary_topic":{"id":"https://openalex.org/T11191","display_name":"Mathematical functions and polynomials","score":0.2469,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11191","display_name":"Mathematical functions and polynomials","score":0.2469,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12062","display_name":"Approximation Theory and Sequence Spaces","score":0.0843,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":12395,"cited_by_count":151997,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/polynomial-approximation","updated_date":"2026-10-20T04:07:40","created_date":"2026-09-30T00:00:00"}
