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NonCommutativeMultiply
(**)
a
**
b
**
c
is a general associative, but non-commutative, form of multiplication.
MORE INFORMATION
NonCommutativeMultiply
has attribute
Flat
.
Instances of
NonCommutativeMultiply
are automatically flattened, but no other simplification is performed.
You can use
NonCommutativeMultiply
as a generalization of ordinary multiplication for special mathematical objects.
EXAMPLES
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Basic Examples
(1)
Compare commutative multiplication with non-commutative multiplication:
In[1]:=
Out[1]=
Operations are associative:
In[2]:=
Out[2]=
Applications
(2)
Properties & Relations
(2)
Possible Issues
(1)
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© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
Applications 