From f85e71030990cea8ba757facbda9e725e11c47fe Mon Sep 17 00:00:00 2001 From: Matthias Koeppe Date: Thu, 8 Jul 2021 08:01:31 -0700 Subject: [PATCH] Chart: in the description of the argument coord_restrictions, replace all instances of 'restrictions' by 'coord_restrictions' --- src/sage/manifolds/chart.py | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/sage/manifolds/chart.py b/src/sage/manifolds/chart.py index 99bdf35cb21..70fc558bd04 100644 --- a/src/sage/manifolds/chart.py +++ b/src/sage/manifolds/chart.py @@ -87,15 +87,16 @@ class Chart(UniqueRepresentation, SageObject): - ``coord_restrictions``: Additional restrictions on the coordinates. A restriction can be any symbolic equality or inequality involving the coordinates, such as ``x > y`` or ``x^2 + y^2 != 0``. The items - of the list (or set or frozenset) ``restrictions`` are combined + of the list (or set or frozenset) ``coord_restrictions`` are combined with the ``and`` operator; if some restrictions are to be combined with the ``or`` operator instead, they have to be passed as a tuple in some - single item of the list (or set or frozenset) ``restrictions``. For example:: + single item of the list (or set or frozenset) ``coord_restrictions``. + For example:: coord_restrictions=[x > y, (x != 0, y != 0), z^2 < x] means ``(x > y) and ((x != 0) or (y != 0)) and (z^2 < x)``. - If the list ``restrictions`` contains only one item, this + If the list ``coord_restrictions`` contains only one item, this item can be passed as such, i.e. writing ``x > y`` instead of the single element list ``[x > y]``. If the chart variables have not been declared as variables yet, ``coord_restrictions`` must