ssselect

Extract subsystem from larger system.

Syntax

• sysOut = ssselect(sysIn, INPUTS, OUTPUTS)
• sysOut = ssselect(sysIn, INPUTS, OUTPUTS, STATES)

Input argument

• sysIn - state-space model
• INPUTS - indexes into the system inputs
• OUTPUTS - indexes into the system outputs
• STATES - specified states

Output argument

• sysOut - state-space model: subsystem from larger system.

Description

ssselect extracts subsystem from larger system.

Example

A = [33,2,5; 23,200,2; 9,2,45];
B = [4,5; 12,5; 82,1];
C = [34,56,2; 6,2,112];
D = [2,0; 0,19];
sys1 = ss(A, B, C, D)
inputs = 1;
outputs = 1;

R = ssselect(sys1, inputs, outputs)

See also

ssdelete.

History

Author

Allan CORNET