User`s guide

Identity Matrix
5-231
Dialog Box
Inherit input port attributes from input port
Enables the input port when selected. The output inherits its dimensions
and sample period from the input.
Matrix size
The number of rows and columns in the output matrix: a scalar M for a
square M-by-M output, or a vector
[M N] for an M-by-N output. This
parameter is disabled when
Inherit input port attributes from input
port
is selected.
Sample time
The discrete sample period of the output. This parameter is disabled when
Inherit input port attributes from input port is selected.
Supported
Data Types
See Also
See “Creating Signals Using Constant Blocks” on page 3-33 for related
information.
Double-precision floating point
Constant Diagonal Matrix DSP Blockset
DSP Constant DSP Blockset
eye
MATLAB