From 92ea33105921065e52bce2c1ec12b81bd5ad0fd9 Mon Sep 17 00:00:00 2001 From: jeanpouget-abadie Date: Wed, 4 Feb 2015 10:03:24 -0500 Subject: adding figure --- src/convex_optimization.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/convex_optimization.py') diff --git a/src/convex_optimization.py b/src/convex_optimization.py index ed99e6b..3111e50 100644 --- a/src/convex_optimization.py +++ b/src/convex_optimization.py @@ -48,7 +48,7 @@ def sparse_recovery(lbda, n_cascades): return f_x, f_xz -def type_lasso(lbda): +def type_lasso(lbda, n_cascades): """ Solves: min - sum_j theta_j + lbda*|e^{M*theta} - (1 - w)|_2 @@ -90,7 +90,7 @@ def diff_and_opt(M_val, w_val, f_x, f_xz): def F(x=None, z=None): if x is None: - return 0, cvxopt.matrix(-.1, (n,1)) + return 0, cvxopt.matrix(-.00001, (n,1)) elif z is None: y, y_diff = f_x(x, M_val, w_val) return cvxopt.matrix(float(y), (1, 1)),\ -- cgit v1.2.3-70-g09d2