Constraints must be formatted as dictionary that maps from constraint type to a list of constraints of that type.
Attributes ---------- zero : int The dimension of the zero cone. nonpos : int The dimension of the non-positive cone. exp : int The dimension of the exponential cone. soc : list of int A list of the second-order cone dimensions. psd : list of int A list of the positive semidefinite cone dimensions, where the dimension of the PSD cone of k by k matrices is k.