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See the recommended documentation of this function
list
Scilab object and list function definition
Calling Sequence
list(a1,....an)
Description
Creates a list
with elements ai
's which are arbitrary Scilab
objects (matrix, list,...
). Type of list
objects is 15.
list()
creates the empty list
(0 element).
Operations on lists
- extraction
[x,y,z...]=L(v)
wherev
is a vector of indices;[x,y,z]=L(:)
extracts all the elements.- insertion at index i
L(i)=a
(note that it is not an error to useL(i)=a
with i > 1 + size(L) but some list entries are then undefined and their extraction gives raise to an error).- append an element in queue
L($+1)=e
.- append an element in head
L(0)=e
. (note that after this operatione
is at index 1, the initial elements being shifted on the right).- deletion
L(i)=null()
removes the i-th element of the listL
.- concatenation of two lists
L3 = lstcat(L1,L2)
.- number of elements of a list
you can use either
nb_elm = size(L)
ornb_elm = length(L)
.- iterations with a list
it is possible to use a list
L
with a for loop:for e=L,...,end
is a loop withlength(L)
iterations, the loop variablee
being equal toL(i)
at the i th iteration.
Remarks
Scilab provides also other kinds of list, the tlist type (typed list) and the mlist type which are useful to define a new data type with operator overloading facilities (hypermatrices which are multi-dimensionnal arrays in scilab are in fact mlist).
Matlab struct are also available.
Examples
See Also
<< isstruct | Data Structures | lsslist >> |