How to set a function for error propagation
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Niklas Kurz
el 21 de Jul. de 2020
Editada: Niklas Kurz
el 24 de Jul. de 2020
Hey, this is kinda my first try with
function
My aim is to code an automatic sequence for error propagation. E.g.
function [DeltaY] = equation(x)
With DeltaY being the solution and x an equation like x = a*b
As I said I have very little experience with functions, hence:
function [DeltaY] = equation(x)
DeltaY = sqrt((diff x,a)^2 * da^2 + (diff x,b)^2 * db^2)
end
does not work if I typ
equation(x)
Strikes me as I need to define a b da db seperately like
syms a b da db
x = a*b
But where to put it?
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Respuesta aceptada
SAA
el 21 de Jul. de 2020
Yes you need to deinfe a b da and db either in the function or in your script before you call the function and also let them be inputs to your function
like this:
function [DeltaY] = equation(x,a,b,da,db)
DeltaY = sqrt((diff x,a)^2 * da^2 + (diff x,b)^2 * db^2)
end
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