V3 is a scalar = -60... On Feb 5, 2017 5:38 PM, "Henri Girard" <[email protected]> wrote:
> Thanks > > Le 05/02/2017 à 23:32, John Cremona a écrit : > > V3 is not a vector! > > On 5 Feb 2017 21:42, "Henri Girard" <[email protected]> wrote: > >> 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')----> 6 p3=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 """--> 459 return >> 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--> 472 >> return 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--> 300 raise dummy_attribute_error >> 301 attribute = <object>attr 302 # Check for a descriptor >> (__get__ in Python) >> AttributeError: 'sage.rings.integer.Integer' object has no attribute 'plot' >> >> -- You received this message because you are subscribed to the Google >> Groups "sage-support" group. To unsubscribe from this group and stop >> receiving emails from it, send an email to sage-support+unsubscribe@googl >> egroups.com. To post to this group, send email to >> [email protected]. Visit this group at >> https://groups.google.com/group/sage-support. For more options, visit >> https://groups.google.com/d/optout. > > -- You received this message because you are subscribed to the Google > Groups "sage-support" group. To unsubscribe from this group and stop > receiving emails from it, send an email to sage-support+unsubscribe@ > googlegroups.com. To post to this group, send email to > [email protected]. Visit this group at > https://groups.google.com/group/sage-support. For more options, visit > https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
