|
private getDescentSpy ( MCordingley\Regression\Algorithm\GradientDescent\StoppingCriteria\StoppingCriteria $criteria ) : |
||
| $criteria | MCordingley\Regression\Algorithm\GradientDescent\StoppingCriteria\StoppingCriteria | |
| return | ||
private function getDescentSpy(StoppingCriteria $criteria)
{
return new DescentSpy($criteria, function (array $gradient, array $coefficients) {
$output = '[[' . implode(',', $gradient) . '], [' . implode(',', $coefficients) . ']]' . "\n";
fwrite(STDERR, $output);
});
}