hyperbolic tangent function

hyperbolic tangent function

De Marchi S., Heidari M., Mohammadi M. (2021) "A shape preserving quasi-interpolation operator based on a new transcendental RBF " Dolomites Research Notes on Approximation, 14(1), 56-73. DOI: 10.14658/PUPJ-DRNA-2021-1-6