Median (DSP Blockset)

DSP Blockset

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Median

See Also

Find the median value of a vector input.

Library

Statistics, in Math Functions

Description

The Median block outputs the median value of the elements in a vector input.

y = median(u)    % equivalent MATLAB code for vector input

For odd-length inputs, the block sorts the input elements by value, and outputs the central element of the sorted vector,

y = s((n+1)/2)

where s is the sorted vector and n=length(u). For even-length inputs, the block sorts the input elements by value, and outputs the average of the two central elements in the sorted vector.

y = mean([s(n/2) s(n/2+1)])

A matrix input, u, is treated as a vector, u(:).

Note
If you expect to generate code for the Median block using the Real-Time Workshop, you should ensure that inputs are contiguous in memory. See the Contiguous Copy block for more information.

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