Computation times

00:02.492 total execution time for 3 files from examples/dataset/use_cases:

Example	Time	Mem (MB)
Iris dataset (plot_iris.py)	00:01.649	0.0
Burgers dataset (plot_burgers.py)	00:00.475	0.0
Rosenbrock dataset (plot_rosenbrock.py)	00:00.367	0.0