General constructor examples (LTPDA Toolbox)

The following example creates a copy of a LTPDA object (blue command) by an example of the PARFRAC object. The copy constructor should work for all classes.

    >> pf1 = parfrac([1 2+1i 2-1i], [6 1+3i 1-3i], 3)
    ---- parfrac 1 ----
    model:       None
    res:         [1;2+i*1;2-i*1]
    poles:       [6;1+i*3;1-i*3]
    dir:         3
    pmul:        [1;1;1]
    iunits:      []
    ounits:      []
    description: 
    UUID:        7c57ab84-3f49-486b-be49-6ed9926fbd66
    -------------------
    >> pf2 = parfrac(pf1)
    ---- parfrac 1 ----
    model:       None
    res:         [1;2+i*1;2-i*1]
    poles:       [6;1+i*3;1-i*3]
    dir:         3
    pmul:        [1;1;1]
    iunits:      []
    ounits:      []
    description: 
    UUID:        c892f70e-d113-407c-accc-67f988b31e7e
    -------------------

REMARK: The following command copies only the handle of an object and doesn't create a copy of the object (as above). This means that everything that happens to the copy or original happens to the other object.

    >> pf1 = parfrac()
    ---- parfrac 1 ----
    model:       none
    res:         []
    poles:       []
    dir:         0
    pmul:        []
    iunits:      []
    ounits:      []
    description: 
    UUID:        bd7c9c71-e633-402b-964b-0a270f80764a
    -------------------
    >> pf2 = pf1;
    >> pf2.setName('my new name')
    ---- parfrac 1 ----
    model:       my new name
    res:         []
    poles:       []
    dir:         0
    pmul:        []
    iunits:      []
    ounits:      []
    description: 
    UUID:        47a5e458-84fd-4d6b-beb2-11ff574ae661
    -------------------

If we display pf1 again then we see that the property 'name' was changed although we only have changed pf2.

    >> pf1
    ---- parfrac 1 ----
    model:       my new name
    res:         []
    poles:       []
    dir:         0
    pmul:        []
    iunits:      []
    ounits:      []
    description: 
    UUID:        47a5e458-84fd-4d6b-beb2-11ff574ae661
    -------------------

Construct an empty LTPDA object

The following example creates an empty LTPDA object by an example of a rational object.

    >> rat = rational()
    ---- rational 1 ----
    model:       none
    num:         []
    den:         []
    iunits:      []
    ounits:      []
    description: 
    UUID:        eb240e62-ff2f-4c31-a683-0f395b9a5242
    --------------------

Construct an empty LTPDA object with the size zero.

Sometimes it is necessary to create LTPDA objects which have at least one dimension of zero. This mean that the MATLAB method "isempty" is true for these objects. This constructor is shown by an example of a matrix object.

    >> m = matrix.initObjectWithSize(1,0)
    ------ matrix -------
    empty-object [1,0]
    ---------------------

It is also possible with this constructor to create a matrix of objects with a different input as zero.

    >> m = matrix.initObjectWithSize(2,1);
    ---- matrix 1 ----
    name: none
    size: 0x0
    description: 
    UUID: ed13da80-92a7-4d1f-8d78-a88f7d77cec3
    ------------------
    ---- matrix 2 ----
    name: none
    size: 0x0
    description: 
    UUID: ed13da80-92a7-4d1f-8d78-a88f7d77cec3
    ------------------

Construct a LTPDA object by loading the object from a file

The following example creates a new parfrac object by loading the object from disk.

    pf = ao'parfrac_object.mat')
    pf = ao'parfrac_object.xml')

Construct an LTPDA object from a parameter list object (PLIST)

Each constructor have different sets of PLISTS which create the object in a different way.

General constructor examples

Copy a LTPDA object

Construct an empty LTPDA object

Construct an empty LTPDA object with the size zero.

Construct a LTPDA object by loading the object from a file

Construct an LTPDA object from a parameter list object (PLIST)