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dcgain

PURPOSE

% Returns dc-gain matrix. If dc-gain is infinite

SYNOPSIS

function gm = dcgain (sys, tol)

DESCRIPTION

% -*- texinfo -*-
% @deftypefn {Function File} {} dcgain (@var{sys}, @var{tol})
% Returns dc-gain matrix. If dc-gain is infinite
% an empty matrix is returned.
% The argument @var{tol} is an optional tolerance for the condition
% number of the @math{A} Matrix in @var{sys} (default @var{tol} = 1.0e-10)
% @end deftypefn

CROSS-REFERENCE INFORMATION

This function calls:

is_digital % Return nonzero if system is digital.
is_stable % Returns 1 if the matrix @var{a} or the system @var{sys}
sys2ss % Extract state space representation from system data structure.
sysdimensions % return the number of states, inputs, and/or outputs in the system
sysupdate % Update the internal representation of a system.

This function is called by: