From f808f4392a5680ed0808eeae115f3708c4f6745f Mon Sep 17 00:00:00 2001
From: bma <baptiste.marechal@femto-st.fr>
Date: Thu, 8 Feb 2018 07:14:33 +0100
Subject: [PATCH] use more robust trf method instead lms

---
 fit_waist.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fit_waist.py b/fit_waist.py
index e708bbd..b099e2d 100755
--- a/fit_waist.py
+++ b/fit_waist.py
@@ -23,8 +23,8 @@ for f in files:
 	Pmes = data[:,1]
 
 	'''optimization with non-linear least squares method'''
-	Ppopt, Pcov = curve_fit(P, xmes, Pmes)
-	data_waist.append([int(f[-7:-4]), abs(Ppopt[3])])
+	Ppopt, Pcov = curve_fit(P, xmes, Pmes, method = 'trf')
+	data_waist.append([int(f[-7:-4]), Ppopt[3]])
 
 	'''plot'''
 	p[0].plot(xmes, Pmes, 'o')
-- 
2.16.4