SamplePublisher`GrassmannCalculus`
FastZeroQ  |
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Details and Options
Examples
(1)
Basic Examples
(1)
In[1]:=
<<GrassmannCalculus`
The following evaluates random cases in 6-dimensional space. If rank is less than grade True will be returned, If it will return .
rankgrade
False
In[2]:=
 | SetBookVectorSpace |
 | RandomGrassmannMatrix |
| FastZeroQ |
 | FastZeroQ |
Out[2]=
(-7085-2040+149-78-76+5399)⋀(906+261-19+10+10-690)⋀(1881+543-39+21+23-1429)⋀(94+27-2++-72)
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Out[2]=
True
Out[2]=
time per evaluation0.0001560003
It will also work for products with symbolic scalars, but not symbolic non-Basis vectors.
In[3]:=
| SetBookVectorSpace |
 | FastZeroQ |
| ZeroQ |
Out[3]//MatrixForm=
a | 2 | b | c |
a | b | 4 | a |
a 2 | 2 | b | 3c |
Out[3]=
(a+2+b+c)⋀(a+b+4+a)⋀+2+b+3c
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Out[3]=
{0.,False}
Out[3]=
{0.826805,False}
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""