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Dear Jens,
thanks for setting this right.
Best,
Tim
On 11/07/2013 07:53 AM, Jens Kaiser wrote:
Fulvio, Tim, error propagation is correct, but wrongly applied in
Tim's example. s_f= \sqrt{ \left(\frac{\partial f}{\partial {x}
}\right)^2 s_x^2 +
Thank you for reply. My question mostly concern a theoretical aspect rather
than practical one. To be not misunderstood, what is the mathematical model
that one should apply to be able to deal with twinned intensities with their
errors? I mean, I+_what? I ask this In order to state some general
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Dear Fulvio,
with simple error propagation, the error would be
sigma(I(h1)) = (1-α)sigma(Iobs(h1))-α*sigma(Iobs(h2))/(1-2α)
would it not?
Although especially for theoretical aspects you should be concerned
about division by zero.
Best,
Tim
On
Fulvio, Tim,
error propagation is correct, but wrongly applied in Tim's example.
s_f= \sqrt{ \left(\frac{\partial f}{\partial {x} }\right)^2 s_x^2 +
\left(\frac{\partial f}{\partial {y} }\right)^2 s_y^2 +
\left(\frac{\partial f}{\partial {z} }\right)^2 s_z^2 + ...} (see