From e4954e696e24ebbc70310c1b2f563ee4169f74ba Mon Sep 17 00:00:00 2001
From: Michelangelo Conserva <m.conserva@qmul.ac.uk>
Date: Mon, 29 May 2023 10:18:58 +0100
Subject: [PATCH] Increase default kernel ridge value to ensure
 positive-definite kernel matrix

---
 neural_testbed/generative/gp_regression_envlikelihood.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/neural_testbed/generative/gp_regression_envlikelihood.py b/neural_testbed/generative/gp_regression_envlikelihood.py
index b56fbba..4d57001 100644
--- a/neural_testbed/generative/gp_regression_envlikelihood.py
+++ b/neural_testbed/generative/gp_regression_envlikelihood.py
@@ -36,7 +36,7 @@ def __init__(self,
                key: chex.PRNGKey,
                tau: int = 1,
                noise_std: float = 1,
-               kernel_ridge: float = 1e-6,
+               kernel_ridge: float = 1e-5,
                ntk: bool = False):
 
     # Checking the dimensionality of our data coming in.