MATLAB: Restrict access to Matlab code

MATLABrestrictionSecurity

Hi There

Is it possible to restrict access to Matlab code I have written? I have some code that although I want others to use to retrieve results, I do not want to be able to view or modify the code.

It does not have offer serious full proof security but offer some basic resistance.

Thanks

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Protecting Your Source Code

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MATLAB: Restricting matrix values

points = [37    29; ...
          36    30; ...
          37    30; ...
          35    31; ...
          36    31; ...
          37    31; ...
          36    32; ...
          37    32; ...
          46    58];
keep1  = and(26 < points(:,1), points(:,1) < 46);
keep2  = and(21 < points(:,2), points(:,2) < 41);
points = points(and(keep1, keep2), :);

MATLAB: Restricting method access to classes, NOT methods of classes

I am storing a list of subclasses in each class.

That makes your system tightly coupled and seems like it's going to cause you to have to do a LOT of work if you add a new lowest-level class. You're going to need to touch ALL its superclasses.

I want to prevent 'vertebrates' objects from calling certain 'animals' methods

This is a violation of the Liskov substitution principle.

I think instead you should consider using the Factory method design pattern. Encapsulating the logic to determine the lowest level class that can represent the object in question in one factory function instead of having it scattered through the class hierarchy will hopefully reduce the number of places you need to modify code when adding / removing / modifying a class in your hierarchy.

You may even be able to use the introspection and metadata capabilities to help automate some of the decision making (if you have a list of all the classes in your hierarchy, because they are in a directory on which you can call dir or are in a package, you can find which of those classes has a Constant property hasSpine with a default value of true AND a Constant property makesMilk with a default value of true.)

Note that I haven't fully designed this, but I think you should be able to use meta.class, meta.property, and findobj to achieve what you want.

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MATLAB: Restricting matrix values

MATLAB: Restricting method access to classes, NOT methods of classes

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