function [t,y,y_theta] = mtt_simulate(system_name,theta);
## usage: [t,y,y_theta] = mtt_simulate(r);
##
## Simulate system with name system and parameter vector theta
## The order of components in theta is determined in system_numpar.txt:
## Copyright (C) 1999 by Peter J. Gawthrop
## $Id$
## Simulate using mtt-generated function
y_theta = [];
for i=1:length(theta)
args="";
for j=1:length(theta)
i_sensitivity=(j==i);
args = sprintf("%s%i %g ",args, i_sensitivity, theta(j));
endfor
command = sprintf("./%s_ode2odes.out %s > mtt_data.dat\n", system_name, args);
system(command);
## Retrieve data
load -force mtt_data.dat
t = mtt_data(:,1);
y = mtt_data(:,2);
y_theta = [y_theta mtt_data(:,3)];
endfor
endfunction