The third vector is an error, is it a bug ?
v1=vector([3,4,-6])
v2=vector([-4,3,10])
v3=v1.dot_product(v2)
p1=v1.plot(color='red')
p2=v2.plot(color='green')
p3=v3.plot()
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-22-73b179d3596d> in<module>() 4 p1=v1.plot(color='red')5 p2=v2.plot(color='green')---->
6p3=v3.plot()/home/pi/git/sage/src/sage/structure/element.pyx in
sage.structure.element.Element.__getattr__
(/home/pi/git/sage/src/build/cythonized/sage/structure/element.c:4254)()
457 AttributeError: 'LeftZeroSemigroup_with_category.element_class'
object has no attribute 'blah_blah'458 """ --> 459return
self.getattr_from_category(name)460 461 cdef getattr_from_category(self,
name):/home/pi/git/sage/src/sage/structure/element.pyx in
sage.structure.element.Element.getattr_from_category
(/home/pi/git/sage/src/build/cythonized/sage/structure/element.c:4363)()
470 else:471 cls = P._abstract_element_class--> 472return
getattr_from_other_class(self, cls, name)473 474 def
__dir__(self):/home/pi/git/sage/src/sage/structure/misc.pyx in
sage.structure.misc.getattr_from_other_class
(/home/pi/git/sage/src/build/cythonized/sage/structure/misc.c:1928)()
298 dummy_error_message.cls = type(self)299 dummy_error_message.name =
name--> 300raise dummy_attribute_error301 attribute = <object>attr302 #
Check for a descriptor (__get__ in Python)AttributeError:
'sage.rings.integer.Integer' object has no attribute 'plot'
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