Exemple #1
0
         spectrum = LordWillisSpektor(transformed_measure=True)
         obs = generator.generate()
         landweber = Tikhonov(
             kernel=kernel_transformed,
             singular_values=spectrum.singular_values,
             left_singular_functions=spectrum.left_functions,
             right_singular_functions=spectrum.right_functions,
             observations=obs,
             sample_size=s,
             max_size=max_size,
             tau=tau,
             order=order,
             transformed_measure=True,
             njobs=-1)
         landweber.estimate()
         landweber.oracle(fun)
         solution = list(
             landweber.solution(np.linspace(0, 1, 10000)))
         results['selected_param'].append(
             landweber.regularization_param)
         results['oracle_param'].append(landweber.oracle_param)
         results['oracle_loss'].append(landweber.oracle_loss)
         results['loss'].append(landweber.residual)
         results['solution'].append(solution)
         results['oracle_solution'].append(
             list(landweber.oracle_solution))
         landweber.client.close()
     except:
         pass
 pd.DataFrame(results).to_csv(
     'Tikhonov1times_{}_{}_tau_{}.csv'.format(
Exemple #2
0
         obs = generator.generate()
         tikhonov = Tikhonov(
             kernel=kernel,
             singular_values=spectrum.singular_values,
             left_singular_functions=spectrum.
             left_functions,
             right_singular_functions=spectrum.
             right_functions,
             observations=obs,
             sample_size=s,
             transformed_measure=False,
             max_size=max_size,
             order=order,
             njobs=-1)
         tikhonov.estimate()
         tikhonov.oracle(fun)
         solution = list(
             tikhonov.solution(np.linspace(0, 1, 10000)))
         results['selected_param'].append(
             tikhonov.regularization_param)
         results['oracle_param'].append(
             tikhonov.oracle_param)
         results['oracle_loss'].append(tikhonov.oracle_loss)
         results['loss'].append(tikhonov.residual)
         results['solution'].append(solution)
         results['oracle_solution'].append(
             list(tikhonov.oracle_solution))
         tikhonov.client.close()
     except:
         pass
 pd.DataFrame(results).to_csv(
         obs = generator.generate()
         tikhonov = Tikhonov(
             kernel=kernel,
             singular_values=spectrum.singular_values,
             left_singular_functions=spectrum.
             left_functions,
             right_singular_functions=spectrum.
             right_functions,
             observations=obs,
             sample_size=s,
             transformed_measure=True,
             max_size=max_size,
             order=order,
             njobs=-1)
         tikhonov.estimate()
         tikhonov.oracle(fun, patience=50)
         solution = list(
             tikhonov.solution(np.linspace(0, 1, 10000)))
         results['selected_param'].append(
             tikhonov.regularization_param)
         results['oracle_param'].append(
             tikhonov.oracle_param)
         results['oracle_loss'].append(tikhonov.oracle_loss)
         results['loss'].append(tikhonov.residual)
         results['solution'].append(solution)
         results['oracle_solution'].append(
             list(tikhonov.oracle_solution))
         tikhonov.client.close()
     except:
         pass
 pd.DataFrame(results).to_csv(
Exemple #4
0
         spectrum = LordWillisSpektor(transformed_measure=True)
         obs = generator.generate()
         landweber = Tikhonov(
             kernel=kernel_transformed,
             singular_values=spectrum.singular_values,
             left_singular_functions=spectrum.left_functions,
             right_singular_functions=spectrum.right_functions,
             observations=obs,
             sample_size=s,
             max_size=max_size,
             tau=tau,
             order=order,
             transformed_measure=True,
             njobs=-1)
         landweber.estimate()
         landweber.oracle(fun, patience=10)
         solution = list(
             landweber.solution(np.linspace(0, 1, 10000)))
         results['selected_param'].append(
             landweber.regularization_param)
         results['oracle_param'].append(landweber.oracle_param)
         results['oracle_loss'].append(landweber.oracle_loss)
         results['loss'].append(landweber.residual)
         results['solution'].append(solution)
         results['oracle_solution'].append(
             list(landweber.oracle_solution))
         landweber.client.close()
     except:
         pass
 pd.DataFrame(results).to_csv(
     'Tikhonov_{}_{}_tau_{}.csv'.format(functions_name[i], s,