def guess(xs, ys):
yofs = common.determine_offset(ys)
ys = ys - yofs
sigma = xs[common.find_index_of(ys, ys[0] / 2)]
return dict(
ofs=yofs,
area=common.determine_peak_area(xs, ys),
sigma=sigma,
)
def guess(xs, ys):
yofs = common.determine_offset(ys)
ys = ys - yofs
maxidx = np.argmax(np.abs(ys))
return dict(
ofs=yofs,
area=common.determine_peak_area(xs, ys),
x0=xs[maxidx],
w=common.determine_peak_width(xs, ys, maxidx),
)
def guess(xs, ys):
yofs = common.determine_offset(ys)
ys = ys - yofs
maxidx = np.argmax(np.abs(ys))
return dict(
ofs=yofs,
amp=ys[maxidx],
x0=xs[maxidx],
sigma=common.determine_peak_width(xs, ys, maxidx) / 2,
gamma=common.determine_peak_width(xs, ys, maxidx),
)
def guess(xs, ys):
yofs = common.determine_offset(ys)
ys = ys - yofs
maxidx = np.argmax(np.abs(ys))
sigma = common.determine_peak_width(xs, ys, maxidx,
factor=np.exp(-1)) / 2.0
return dict(
ofs=yofs,
area=common.determine_peak_area(xs, ys),
x0=xs[maxidx],
sigma=sigma,
)
def guess(xs, ys, zs):
zofs = common.determine_offset(zs)
zs = zs - zofs
maxidxy = np.argmax(np.abs(zs).sum(axis=1))
maxidxx = np.argmax(np.abs(zs).sum(axis=0))
sigmax = common.determine_peak_width(xs[maxidxy,:], zs[maxidxy,:], maxidxx, factor=np.exp(-1)) / 2.0
sigmay = common.determine_peak_width(ys[:,maxidxx], zs[:,maxidxx], maxidxy, factor=np.exp(-1)) / 2.0
return dict(
x0=xs[maxidxy,maxidxx],
y0=ys[maxidxy,maxidxx],
ofs=zofs,
area=common.determine_peak_area(xs[maxidxy,:], zs[maxidxy,:]) * \
common.determine_peak_area(ys[:,maxidxx], zs[:,maxidxx]),
sigmax=sigmax,
sigmay=sigmay,
)