A New Type of Exponential Curve and Its Application in the Tertiary Industry
Lang Yu, Guoxin Tang & Lizhi Yang · Journal of Advances in Mathematics and Computer Science · 2019
This paper proposes an improved new exponential curve model based on the classical exponential curve and the modified exponential curve. System parameters of the new exponential curve are estimated by the nonlinear least squares method and the trust region algorithm. Furthermore,...
Open access
Research Article
10.9734/JAMCS/2019/46518