admm_solver.py 文件源码

def upper2Full(self, a):
        n = int((-1  + numpy.sqrt(1+ 8*a.shape[0]))/2)  
        A = numpy.zeros([n,n])
        A[numpy.triu_indices(n)] = a 
        temp = A.diagonal()
        A = (A + A.T) - numpy.diag(temp)             
        return A