Class ExponentialLR

monai/optimizers/lr_scheduler.py:51–58

Exponentially increases the learning rate between two boundaries over a number of iterations.

class ExponentialLR(_LRSchedulerMONAI):
    """Exponentially increases the learning rate between two boundaries over a number of
    iterations.
    """

    def get_lr(self):
        r = self.last_epoch / (self.num_iter - 1)
        return [base_lr * (self.end_lr / base_lr) ** r for base_lr in self.base_lrs]


class WarmupCosineSchedule(LambdaLR):