How generate Uniform Noise

Question

I have a question, how can I generate uniform noise using its general equation in the MatLab and apply it to a specific image, with a simplified explanation of the code if possible. General Equation

Answer 1

You should try the rand() command which outputs a realization of a uniform distribution on [0, 1]. To get the general distribution, you can do the manipulation ((b - a) * rand() + a.