mexchg
is used to interchage a pair of columns and/or a pair of rows of a matrix.
If only a row exchange is desired, set the column indices equal to each other.
Likewise, if only a column exhange is desired, set the row indices equal to each
other.
REQUIRED ARGUMENTS
-i
type: infile
desc: Input matrix
-o
type: outfile
desc: Output matrix
OPTIONAL ARGUMENTS
Mutually Inclusive Group; if desired, specify ALL of: