Hello, I try to find a example of function f so that is continuous on [0,1] x [0,1], but its derivative is not.
I've spent all day trying to find it, please help me.
Hello, I try to find a example of function f so that is continuous on [0,1] x [0,1], but its derivative is not.
I've spent all day trying to find it, please help me.
I'd play with the absolute value function.Hello, I try to find a example of function f so that is continuous on [0,1] x [0,1], but its derivative is not.
I've spent all day trying to find it, please help me.