GrassmannCalculus`
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Details and Options
Examples
(1)
Basic Examples
(1)
In[1]:=
<<GrassmannCalculus`
Set the book default preferences,
In[2]:=
★A;
The following all have valid grades because they are composed of expressions with declared basis elements, scalars and vectors.
In[3]:=
{1,a,,x,p+(a+b)(⋀),5⋀⋀}Grade[%]
e
1
e
1
e
2
e
1
e
2
e
3
Out[3]=
{1,a,,x,p+(a+b)⋀,5⋀⋀}
e
1
e
1
e
2
e
1
e
2
e
3
Out[3]=
{0,0,1,1,{1,2},3}
The following are because they contain and , which are not declared bases, scalars or vectors.
NotGraded
xxx
yyy
In[4]:=
{xxx,a+xxx+,p⋀q⋀xxx,xxx⋁yyy}Grade[%]
e
2
Out[4]=
{xxx,a+xxx+,p⋀q⋀xxx,xxx⋁yyy}
e
2
Out[4]=
{NotGraded[xxx],{0,1,NotGraded[xxx]},2+NotGraded[xxx],-3+NotGraded[xxx]+NotGraded[yyy]}
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""