Function rgsl::fit::linear_est

pub fn linear_est(x: f64, c0: f64, c1: f64, cov00: f64, cov01: f64, cov11: f64, y: &mut f64, y_err: &mut f64) -> Value

This function uses the best-fit linear regression coefficients c0, c1 and their covariance cov00, cov01, cov11 to compute the fitted function y and its standard deviation y_err for the model Y = c_0 + c_1 X at the point x.