EntityQ808453· pop 7· linked from 35 articlesBarnes–Hut simulationSign in to saveapproximation algorithm for performing an n-body simulationConnectionsPiet HutEntityInternational Standard Book NumberEntityWayback MachineEntitydigital object identifierEntityInternational Standard Serial NumberEntityCartesian coordinate systemEntitybibcodeEntityQ118398Entitycenter of massEntityCambridge University PressEntitypoint particleEntitybig O notationEntitynumerical integrationEntityQ22908627EntitynodeEntityrecursionEntitySimpson's ruleEntitytrapezoidal ruleEntitynet forceEntityhigh-performance computingEntityCategoriesGravityNumerical integrationPhysical cosmologySimulation