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See the recommended documentation of this function
matrix
reshape a vector or a matrix to a different size matrix
Calling Sequence
y=matrix(v,n,m) y=matrix(v,[sizes])
Arguments
- v
a vector, a matrix or a hypermatrix
- n,m
integers
- sizes
vector of integers
- y
a vector, a matrix or hypermatrix
Description
For a vector or a matrix with n
x m
entries, the command
y=matrix(v,n,m)
or similarly y=matrix(v,[n,m])
transforms the v
vector (or matrix) into an nxm
matrix by
stacking columnwise the entries of v
.
If one of the dimension m
or n
is equal to -1 it is automatically
assigned to the quotient of size(v,'*')
by the other dimension.
For a hypermatrix such as
prod(size(v))==prod(sizes)
, the command y=matrix(v,sizes)
(or
equivalently y=matrix(v,n1,n2,...nm)
) transforms
v
into an matrix or hypermatrix by
stacking "columnwise" (first dimension is varying first) the entries of v
. y=matrix(v,sizes)
results in a regular matrix if sizes is a scalar or a 2-vector.
Examples
a=[1 2 3;4 5 6] matrix(a,1,6) matrix(a,1,-1) matrix(a,3,2)
See Also
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