Flexible number of paramters for MLE with custom function

Can the custom pdf function for MLE be written for a flexible number of parameters that is determined from the vector of start values?

Answer 1

[Tom Lane]

Let's try it. The normpdf function uses the default sigma=1 if no standard deviation value is given.

>> x = 1 + randn(100,1);
>> mle(x,'pdf',@normpdf,'start',0)
ans =
    0.8747
>> mle(x,'pdf',@normpdf,'start',[0 2])
ans =
    0.8747    1.0787