How to multiply function handles stored in a cell array?

I have a application to multiply the function handles which are stored in a cell array.

The expected output need to be,

sa=@(w) Na{1,1}(w)*Na{1,2}(w)*Na{1,3}(w);

The length of the cell array differs for each case. So, the multiplication need to be automated.

I have tried with the below script,

D=length(Na);
A=[1 0;0 1];
    for j=1:D
        sa=@(w) A*Na{1,j}(w);
        A=@(w) sa(w);
    end

It is not producing any results.

Kindly provide any suggestions.

Answer 1

[Rik]

Na=repmat({@(w) [1,-w*i(2,e);0 1]},1,3)

Na = 1×3 cell array
    {@(w)[1,-w*i(2,e);0,1]}    {@(w)[1,-w*i(2,e);0,1]}    {@(w)[1,-w*i(2,e);0,1]}

sa=@(w) 1;
for n=1:numel(Na)
    sa=@(w) sa(w)*Na{n}(w);
end

Note that in this case you can do something much simpler:

N=3;
sa=@(w) [1,-w*i(2,e);0 1]^N;

[Vinothkumar Sethurasu]

Thank you.