A = rand(3);
B = magic(4);

try
    C = [A; B];
catch ME
    ME.identifier
    ME.message
    ME.stack
    ME.cause
    getReport(ME)
end
			

a = 10;

try
    assert(a > 100)
catch ME
    ME.identifier
    ME.message
    ME.stack
    ME.cause
    getReport(ME)
end
			

n = 10;

try
    if n < 100
        error('%d is less than 100 ...', n);
    end
catch ME
    getReport(ME)
end
			

• MATLAB Documentation