Len

The length operator “#” returns the length of the table if the response function would have been transformed to a table. Note that the length for response functions in Tri-diagonal, Anderson, or ListOfPoles format is 2, for Natural impurity format the length is 1.

The script

Example.Quanty

acon = {0,         1,   1,   1,   1,   1,  1}
bcon = {   sqrt(1/2), 0.5, 0.5, 0.5, 0.5, 0.5}
Gcon = ResponseFunction.New( {acon,bcon,mu=0,type="Tri"} )
aval = {0,        -1,  -1,  -1,  -1,  -1, -1}
bval = {   sqrt(1/2), 0.5, 0.5, 0.5, 0.5, 0.5}
Gval = ResponseFunction.New( {aval,bval,mu=0,type="Tri"} )
a0=0
b0=1
G = ResponseFunction.New( {{a0,b0},val=Gval,con=Gcon,mu=0,type="Nat", name="D"} )
 
print("The lenght of Gval is ",#Gval,"while it contains the elements acon and bcon")
print("The length of G is ",#G,"while it only contains the element {a0,b0}")
print("The other elements are not indexed by a consequitive number and thus not included in the counting")

Returns

The lenght of Gval is 	2	while it contains the elements acon and bcon
The length of G is 	1	while it only contains the element {a0,b0}
The other elements are not indexed by a consequitive number and thus not included in the counting