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Integer and Number Theoretic Functions
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DiscreteDelta
IdentityMatrix
UnitVector
Equal
UnitStep
If
Boole
Signature
DiracDelta
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KroneckerDelta
KroneckerDelta
[
n
1
,
n
2
,
...
]
gives the Kronecker delta
, equal to 1 if all the
are equal, and 0 otherwise.
MORE INFORMATION
KroneckerDelta
[0]
gives 1;
KroneckerDelta
[
n
]
gives 0 for other numeric
n
.
KroneckerDelta
has attribute
Orderless
.
EXAMPLES
CLOSE ALL
Basic Examples
(3)
In[1]:=
Out[1]=
Construct identity matrix:
In[1]:=
Out[1]//MatrixForm=
Use in sums to pick out elements:
In[1]:=
Out[1]=
Scope
(4)
Applications
(3)
Properties & Relations
(2)
Possible Issues
(2)
Neat Examples
(1)
SEE ALSO
DiscreteDelta
IdentityMatrix
UnitVector
Equal
UnitStep
If
Boole
Signature
DiracDelta
TUTORIALS
Integer and Number Theoretic Functions
RELATED LINKS
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, equal to 1 if all the 
are equal, and 0 otherwise.
EXAMPLES
Basic Examples 
Scope 