movmedian
Moving median
Syntax
Description
M = movmedian(
returns
an array of local A
,k
)k
-point median values, where
each median is calculated over a sliding window of length k
across
neighboring elements of A
. When k
is
odd, the window is centered about the element in the current position.
When k
is even, the window is centered about the
current and previous elements. The window size is automatically truncated
at the endpoints when there are not enough elements to fill the window.
When the window is truncated, the median is taken over only the elements
that fill the window. M
is the same size as A
.
If
A
is a vector, thenmovmedian
operates along the length of the vectorA
.If
A
is a multidimensional array, thenmovmedian
operates along the first dimension ofA
whose size does not equal 1.
M = movmedian(___,
specifies the
dimension of dim
)A
to operate along for any of the previous syntaxes.
For example, if A
is a matrix, then
movmedian(A,k,2)
operates along the columns of
A
, computing the k
-element sliding median
for each row.
M = movmedian(___,
specifies
whether to include or omit nanflag
)NaN
values from the
calculation for any of the previous syntaxes. movmedian(A,k,'includenan')
includes
all NaN
values in the calculation while movmedian(A,k,'omitnan')
ignores
them and computes the median over fewer points.
M = movmedian(___,
specifies
additional parameters for the moving median using one or more name-value
pair arguments. For example, if Name,Value
)x
is a vector of
time values, then movmedian(A,k,'SamplePoints',x)
computes
the moving median relative to the times in x
.
Examples
Input Arguments
Extended Capabilities
Version History
Introduced in R2016a