From 052220dad850a32b002d80b7bd7747b81630ecac Mon Sep 17 00:00:00 2001 From: Philipp Arras Date: Thu, 7 Mar 2019 14:57:06 +0100 Subject: [PATCH] Add comment --- nifty5/operators/scaling_operator.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/nifty5/operators/scaling_operator.py b/nifty5/operators/scaling_operator.py index 1e14b62e..fe02a013 100644 --- a/nifty5/operators/scaling_operator.py +++ b/nifty5/operators/scaling_operator.py @@ -42,7 +42,12 @@ class ScalingOperator(EndomorphicOperator): only in appropriate ways (e.g. call inverse_times only if `factor` is nonzero). - This shortcoming will hopefully be fixed in the future. + Along with this behaviour comes the feature that it is possible to draw an + inverse sample from a :class:`ScalingOperator` (which is a zero-field). + This occurs if one draws an inverse sample of a positive definite sum of + two operators each of which are only positive semi-definite. However, it + is unclear whether this beviour does not lead to unwanted effects + somewhere else. """ def __init__(self, factor, domain): -- GitLab