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#!F-adobe-helvetica-medium-r-normal--18*
#!N
#!CDarkGreen #!N #!Rlists1 Lists #!N #!EC #!N
#!N Unlike the vector, matrix, and tensor constructions that aggregate several
lower dimensional data elements into a single higher one; the #!F-adobe-times-medium-i-normal--18*
list #!EF construction collects several homogeneous elements together so that they
can be handled as a single entity while still retaining their
individuality. #!N #!N Lists are constructed by enclosing a sequence of
scalars, vectors, matrices, rank #!F-adobe-times-medium-i-normal--18* n #!EF tensors, or string constants
in braces ( #!F-adobe-times-bold-r-normal--18* { } #!EF ). The elements of
a list can be separated by commas, although they need not
be. In Data Explorer, a list is the same as an
Array (see #!Larrays,dxall252 h Arrays #!EL ). #!N #!N The following are examples of
valid lists: #!N #!N #!CForestGreen #!N #!F-adobe-courier-bold-r-normal--18* #!N {1.0 2.0 3.0}
// 3 scalar values (for isovalues) #!N #!N {[0.0 0.0 0.0],
// 4 vector values for use as #!N [1.0 0.0 0.0],
// streamline seed points #!N [2.0 0.0 0.0], #!N [3.0 0.0
0.0]} #!N #!N #!N #!N { "a" "list" "of" "string" #!N
"constants"} #!EF #!N #!N #!EC #!N #!N Lists of scalars can
also be defined with a convenient shorthand notation that specifies the
following: #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18* #!N #!N #!I30 #!N o The
list's starting value #!N #!I30 #!N o The list's ending value
#!N #!I30 #!N o A #!F-adobe-times-medium-i-normal--18* stepping increment #!EF (optional). #!N
#!I0 #!N #!EF #!N If you do not specify a stepping
increment, then the default is 1. If any of the values
in the list constructor (including the stepping increment) are specified as
floating point numbers, then the generated list contains floating-point numbers; otherwise,
it contains integers. If the starting value is smaller than the
ending value, the list elements are generated in increasing order; otherwise
they are generated in decreasing order. Also, only the magnitude of
the stepping increment is important, not the sign. A negative stepping
increment produces the same results as a positive one. #!N #!N
The values included in the list are generated by continually adding
the value of the stepping increment to the starting value until
the resultant value passes the ending value. Each of the following
produces the same list: #!N #!N #!CForestGreen #!N #!F-adobe-courier-bold-r-normal--18* #!N {-1
1 3 5 7 9} #!N {-1 .. 9 : 2}
#!N {-1 .. 9 : -2} #!N {-1 .. 10 :
2} #!EF #!N #!N #!EC #!N Note: Spaces are required around
the .. operator. #!N #!N #!N Lists specified using this notation
will be represented as a #!F-adobe-times-medium-i-normal--18* Regular Array #!EF of 1-vectors.
See #!Larrays,dxall252 h Arrays #!EL for a discussion of Array types. #!N #!N #!N
#!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Lbld,dxall531 h Building Expressions and Statements #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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