ax.text(0.01,0.85,"1st order linear tangent: "+str(tangent)+" [ps/ITU channel]",transform=ax.transAxes)
ax.text(0.01,0.85,"1st order linear tangent: "+'{:5.3f}'.format(tangent)+" +/- "+'{:5.3f}'.format(tangent_stdev)+" [ps/ITU channel]",transform=ax.transAxes)
else:
else:
ax.set_title("CRTT versus wavelength")
ax.set_title("CRTT versus wavelength")
ax.set_xlabel('Wavelenth [nm]')
ax.set_xlabel('Wavelenth [nm]')
ax.text(0.01,0.85,"1st order linear tangent: "+str(tangent)+" [ps/nm]",transform=ax.transAxes)
ax.text(0.01,0.85,"1st order linear tangent: "+'{:5.3f}'.format(tangent)+" +/- "+'{:5.3f}'.format(tangent_stdev)+" [ps/nm]",transform=ax.transAxes)