defined one p0 in datautils for CP fits

rowers/datautils.py

@@ -3,6 +3,9 @@ import numpy as np
 from scipy.interpolate import griddata
 from scipy import optimize
 
+#p0 = [500,350,10,8000]
+p0 = [190,200,33,16000]
+
 def updatecp(delta,cpvalues,r):
     cp2 = r.p0/(1+delta/r.p2)
     cp2 += r.p1/(1+delta/r.p3)
@@ -38,7 +41,6 @@ def cpfit(powerdf):
     fitfunc = lambda pars,x: abs(pars[0])/(1+(x/abs(pars[2]))) + abs(pars[1])/(1+(x/abs(pars[3])))
     errfunc = lambda pars,x,y: fitfunc(pars,x)-y
     
-    p0 = [500,350,10,8000]
 
     p1 = p0