Fri Mar 20 12:08:07 2020 

gdls_test
  R version 3.4.4 (2018-03-15) 
  gdls solves a least squares problem using gradient descent.

 number of iterations 25892 
  x       =  61.27208 -39.06178 
  x_exact =  61.272 -39.062 
  error =  0.0002333785 

  residual       =  2.736888 
  exact residual =  2.736889 

gdls_test
  Normal end of execution.
Fri Mar 20 12:08:07 2020