I am having problems with the following question:
What is the relation between the rank of the Jacobian matrix of $f$ (which is continuously differentiable) and the dimension of the image of $f$?
Is there a theorem about it?
I am having problems with the following question:
What is the relation between the rank of the Jacobian matrix of $f$ (which is continuously differentiable) and the dimension of the image of $f$?
Is there a theorem about it?