# Error propagation function (Scripts) 1.0

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• Last update: 5 years ago
• Price: Free |
• Operating system: Linux, Mac OS X, Win All, BSD, Solaris
• Publisher: Jan
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## Error propagation function (Scripts) Publisher's description

### First define a symbolic function f(u1,u2,...,ui) using the syms command.

First define a symbolic function f(u1,u2,...,ui) using the syms command.

Next, define a vector u=[u1,u2,...,ui] containing all variables of f.

Define an 1 x i row vector q=[q1,q2,...,qi], containing the values that the function will be evaluated in. Define also an sq=[sq1,sq2,...,sqi] vector, containing the uncertainty on every value in q.

q and sq can also be
m x i matrices (for varying values of qi and sqi). You can also have varying qi and a fixed sqi (the function will recognize if sqi is fixed (a row vector) or changing (a matrix).

The function will output an m x 2 matrix with the first column containing f(q) and the second column the error propagation of f(q) using this formula:

http://quicklatex.com/cache3/ql_57dd8db09f...67dc4699_l3.png

#### System Requirements:

MATLAB 7.10 (2010a)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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