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>> help size
SIZE Size of array.
D = SIZE(X), for M-by-N matrix X, returns the two-element
row vector D = [M, N] containing the number of rows and columns
in the matrix. For N-D arrays, SIZE(X) returns a 1-by-N
vector of dimension lengths. Trailing singleton dimensions
are ignored.
[M,N] = SIZE(X) for matrix X, returns the number of rows and
columns in X as separate output variables.
[M1,M2,M3,...,MN] = SIZE(X) returns the sizes of the first N
dimensions of array X. If the number of output arguments N does
not equal NDIMS(X), then for:
N > NDIMS(X), size returns ones in the "extra" variables,
i.e., outputs NDIMS(X)+1 through N.
N < NDIMS(X), MN contains the product of the sizes of the
remaining dimensions, i.e., dimensions N+1 through
NDIMS(X).
M = SIZE(X,DIM) returns the length of the dimension specified
by the scalar DIM. For example, SIZE(X,1) returns the number
of rows.
When SIZE is applied to a Java array, the number of rows
returned is the length of the Java array and the number of columns
is always 1. When SIZE is applied to a Java array of arrays, the
result describes only the top level array in the array of arrays.
See also LENGTH, NDIMS.
Overloaded methods
help serial/size.m
help timer/size.m
help iddata/size.m
help idfrd/size.m
help idmodel/size.m