initiating_gis

gistfile1.txt

    def __constraints(self, x, unit):
        """
        Constraints for optimization for one unit
        :param x: combined weights
        :param unit: which production unit to compute
        :return: array of constraints
        """
        in_w, out_w, lambdas = x[:self.m], x[self.m:(self.m+self.r)], x[(self.m+self.r):]  # unroll the weights
        constr = []  # init the constraint array
        # for each input, lambdas with inputs
        for input in self.input_:
            t = self.__target(x, unit)
            lhs = np.dot(self.inputs[:, input], lambdas)
            cons = t*self.inputs[unit, input] - lhs
            constr.append(cons)
        # for each output, lambdas with outputs
        for output in self.output_:
            lhs = np.dot(self.outputs[:, output], lambdas)
            cons = lhs - self.outputs[unit, output]
            constr.append(cons)
        # for each unit
        for u in self.unit_:
            constr.append(lambdas[u])
        return np.array(constr)