clear all

% Write in Command window:
% >>doc if

GM=-1;
if GM<0
    disp('Warning, unstable!')
end

% Write in Command window:
% >>doc > 
% And go to menue "Relational operators" to see other operators

return% beregner ikke noe etter denne rad

g=0;

if g>=0;
    disp('g larger than equal to 0')
else
    disp('g is less than 0')
end

return 

h=-2;
if h>0;
    disp('h larger than equal to 0')
elseif h==0
    disp('h is zero')
else
    disp('h is less than equal to 0')
    fprintf(1,'h is less than equal to 0, h=%.3f  \n',h)
end

% fprintf, bra å lære seg, kan brukes til å printe til fil og
% skrive ut verdier i en setning.