You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: test_matrixOutput.m
    path of file: ./repos/chebfun/tests/chebmatrix
    
    the code of the file until where you have to start completion: function pass = test_matrixOutput(~)
% TEST_MATRIXOUTPUT   Chebmatrix operations resulting only in doubles should
% return a normal matrix.

dom = [-3 1];
% A chebmatrix with 5 column functions
T = chebpoly(1:5, dom);
T = chebmatrix(T);
C = T'*T;
pass(1) = isnumeric(C) && all( size(C) == [5 5]);

% Two rows, 5 columns
TT = [T; T];
CC = TT'*TT;
pass(2) = isnumeric(CC) && all( size(CC) == [5 5]);

% Operators involved, output should not be numeric
[Z, I, D, C, M] = linop.primitiveOperators(dom);
A = [I D; Z C];
f = [chebpoly(1, dom); chebpoly(5, dom)];
Af = A*f;
pass(3) = isa(Af, 'chebmatrix') && ...
    all(cellfun(@isa, Af.blocks, {'chebfun'; 'chebfun'})) && ...
    all( size(Af) == [2 1]);

% Functionals involved, output should be numeric
[Z, E, S, D] = linop.primitiveFunctionals(dom);
J = [Z-E(1), S];
Jf = J*f;

    
function pass = test_matrixOutput(~)
% TEST_MATRIXOUTPUT   Chebmatrix operations resulting only in doubles should
% return a normal matrix.

dom = [-3 1];
% A chebmatrix with 5 column functions
T = chebpoly(1:5, dom);
T = chebmatrix(T);
C = T'*T;
pass(1) = isnumeric(C) && all( size(C) == [5 5]);

% Two rows, 5 columns
TT = [T; T];
CC = TT'*TT;
pass(2) = isnumeric(CC) && all( size(CC) == [5 5]);

% Operators involved, output should not be numeric
[Z, I, D, C, M] = linop.primitiveOperators(dom);
A = [I D; Z C];
f = [chebpoly(1, dom); chebpoly(5, dom)];
Af = A*f;
pass(3) = isa(Af, 'chebmatrix') && ...
    all(cellfun(@isa, Af.blocks, {'chebfun'; 'chebfun'})) && ...
    all( size(Af) == [2 1]);

% Functionals involved, output should be numeric
[Z, E, S, D] = linop.primitiveFunctionals(dom);
J = [Z-E(1), S];
Jf = J*f;
pass(4) = isnumeric(Jf) && all(size(Jf) == [1 1]);
K = [J' J'];
Kf = K*f;
pass(5) = isnumeric(Kf) && all(size(Kf) == [2 1]);
end