def check_defective2(self): a = array(( [29.2,-24.2,69.5,49.8,7.0], [-9.2,5.2,-18.0,-16.8,-2.0], [-10.0,6.0,-20.0,-18.0,-2.0], [-9.6,9.6,-25.5,-15.4,-2.0], [9.8,-4.8,18.0,18.2,2.0])) r = signm(a)
def check_defective3(self): a = array([[ -2., 25., 0., 0., 0., 0., 0.], [ 0., -3., 10., 3., 3., 3., 0.], [ 0., 0., 2., 15., 3., 3., 0.], [ 0., 0., 0., 0., 15., 3., 0.], [ 0., 0., 0., 0., 3., 10., 0.], [ 0., 0., 0., 0., 0., -2., 25.], [ 0., 0., 0., 0., 0., 0., -3.]]) r = signm(a)
def check_nils(self): a = array([[ 29.2, -24.2, 69.5, 49.8, 7. ], [ -9.2, 5.2, -18. , -16.8, -2. ], [-10. , 6. , -20. , -18. , -2. ], [ -9.6, 9.6, -25.5, -15.4, -2. ], [ 9.8, -4.8, 18. , 18.2, 2. ]]) cr = array([[ 11.94933333,-2.24533333,15.31733333,21.65333333,-2.24533333], [ -3.84266667,0.49866667,-4.59066667,-7.18666667,0.49866667], [ -4.08,0.56,-4.92,-7.6 ,0.56], [ -4.03466667,1.04266667,-5.59866667,-7.02666667,1.04266667], [4.15733333,-0.50133333,4.90933333,7.81333333,-0.50133333]]) r = signm(a) assert_array_almost_equal(r,cr)
def check_defective1(self): a = array([[0.0,1,0,0],[1,0,1,0],[0,0,0,1],[0,0,1,0]]) r = signm(a)