Please follow the given instructions
-Execute the 'iddata' and 'compare' function
-Run the 'compareLoad.sce' function
-Run the 'runCompare.sce' function ('iddata' function is used here)
-Run the 'runCompare2.sce' function (without 'iddata' function)
-To compare the Matlab and Scilab outputs please run the 'runMatlab.m' file. In the execution of the compare I have considered the initial state equal to zero. 
