%                In God We Trust

clc
clear all
close all

%      Date         Programmer              University
%      ====         ==========          =====================
%    13/11/2012                                shk.ac

syms x 
f=input('enter function_f(x):');
ss=1;
while ss==1
    
    disp('Please choice your method for solving Functions:')
    fprintf('\n\n\t 1)Laplace \n\n\t 2)ilaplace \n\n\t 3)diff\n\n\t 4)int\n\n\t 5)Exit\n\n\n\t');
    answer=input('Please enter a number(1~5)= ');
    
    switch answer
        
        case 1
            z=simplify(laplace(f));
            q=ezplot(z);
            grid on
            set(q,'color','b','Marker','*','MarkerEdgeColor','c')
            
        case 2
            z=simplify(ilaplace(f,u))
            q=ezplot(z);
            grid on
            set(q,'color','r','Marker','*','MarkerEdgeColor','c')
            
        case 3
            z=simplify(diff(f))
            q=ezplot(z);
            grid on
            set(q,'color','r','Marker','*','MarkerEdgeColor','c')
            
        case 4
            z=simplify(int(f))
            q=ezplot(z);
            
            grid on
            set(q,'color','r','Marker','*','MarkerEdgeColor','c')
            
        case 5
            ss=0;
            
    end
end