how to plot this programme

njmp1 =  50000; 
njmp2 =60000; 
njmp3=  70000;
fc1=1;fc2=3; 
fcx=2; 
for i = 1:20
%------------------------------------------------------------------------------------
   fcs(i)=1;   
   switch saut
            case 1
                switch type_Saut
                    case 1    
                        if i>=njmp1
                            fcs(i)=fcx;
                        end
                    case 2    
                    a=(fc2-fc1)/(njmp2-njmp1);
                    b=fc1-a*njmp1;
                    if (i>=njmp1) && (i<=njmp2) 
                        fcs(i)=a*i+b;
                    elseif (i>njmp2)
              
                    a=(fc1-fc2)/(njmp3-njmp2);
                    b=fc2-a*njmp2;
                    if (i>=njmp2) && (i<=njmp3) 
                        fcs(i)=a*i+b;
                    end       
                    end  
                end
            case 2
            fcs(i)=1;
   end
  

end; 

Unrecognized function or variable 'saut'.

y=fcs(i)
plot(y)

[John D'Errico]

How can anyone help? The variable saut is undefined. MATLAB told you exactly that.

Answer 1

[Voss]

Try changing this

y = fcs(i)
plot(y)

to this

plot(fcs)

[ad lyn]

thank youthank you