How to save portfolio objects to an array?

p = Portfolio;
c = Portfolio;

d = [p c]

d = 
  1×2 Portfolio array with properties:

    BuyCost
    SellCost
    RiskFreeRate
    AssetMean
    AssetCovar
    TrackingError
    TrackingPort
    Turnover
    BuyTurnover
    SellTurnover
    Name
    NumAssets
    AssetList
    InitPort
    AInequality
    bInequality
    AEquality
    bEquality
    LowerBound
    UpperBound
    LowerBudget
    UpperBudget
    GroupMatrix
    LowerGroup
    UpperGroup
    GroupA
    GroupB
    LowerRatio
    UpperRatio
    MinNumAssets
    MaxNumAssets
    BoundType

How do i store objects in an array and then extract any specific object from that array? I want to do this.

d.p.BuyCost

Thanks.

[dpb]

Indexing; don't compound-nest similar structs; that will become totally unworkable.

d(2).BuyCost

You can create an associated name array to use as id if want a way to find specific element of the array or add that ID as a field.

Answer 1

[Sailesh Kalyanapu]

As per my understanding, you are looking to store objects of type ‘Portfolio’ in a way to later access them using dot indexing.

You can do so by saving the objects in a struct.

>> d = struct 
>> obj1 = Portfolio; 
>> obj2 = Portfolio; 
>> d.p = obj1; 
>> d.c = obj2; 
% To access required PropertyName
>> d.p.PropertyName (or) d.c.PropertName

For more information related to ‘struct’, please refer to the following MATLAB documentation:

Structure array - MATLAB - MathWorks India

In case you want to store the objects in an array, you could then use numeric(array) indexing to first select the object of choice and then use dot indexing to access the required Property.

>> p = Portfolio; 
>> c = Portfolio; 
>> d = [p c]; 

% To access required PropertyName of ith object in array.   
>> d(i).PropertyName