diff options
Diffstat (limited to 'jpa_test/rip_condition.py')
| -rw-r--r-- | jpa_test/rip_condition.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/jpa_test/rip_condition.py b/jpa_test/rip_condition.py index 7c1ce85..fccf9a4 100644 --- a/jpa_test/rip_condition.py +++ b/jpa_test/rip_condition.py @@ -10,11 +10,12 @@ def find_kth_rip_constants(M, k): 1 + A_1 = arg max |Mx|_2^2 s.t. |x|_2 = 1 and |x|_0 = k 1 - A_2 = arg min |Mx|_2^2 s.t. |x|_2 = 1 and |x|_0 = kx """ - delta = 10 + delta = 0 + print M.shape for col_set in itertools.combinations(xrange(M.shape[1]), k): M_kcol = M[:,list(col_set)] delta_upper, delta_lower = upperlower_bound_rip(M_kcol) - delta = min(delta, min(delta_upper, delta_lower)) + delta = max(delta, max(delta_upper, delta_lower)) return delta |