pvpumpingsystem.function_models.polynomial_multivar_3_3_4

pvpumpingsystem.function_models.polynomial_multivar_3_3_4(input_val, y_intercept, a1, a2, a3, b1, b2, b3, c1, c2, c3, c4)

Model of a multivariate polynomial function of third order on x and y, and with 1 interaction term.