d.curve_fit(SF.quadratic, result=True, header="Curve-fit")
d.setas = "x...y"
d.plot(fmt="b-", label="curve-fit")
d.annotate_fit(
SF.quadratic,
prefix="quadratic",
x=0.2,
y=0.65,
fontdict={
"size": "x-small",
"color": "blue"
},
)
d.setas = "xy"
fit = SF.Quadratic()
p0 = fit.guess(y, x=x)
d.lmfit(SF.Quadratic, p0=p0, result=True, header="lmfit")
d.setas = "x...y"
d.plot(fmt="g-", label="lmfit")
d.annotate_fit(
SF.Quadratic,
prefix="Quadratic",
x=0.65,
y=0.65,
fontdict={
"size": "x-small",
"color": "green"
},
)
def Quadratic(x, p):
"""Simple Qudratic Function."""
return _SF.Quadratic(x, *p)
