% dati problema monossido 
t =(0:24)';
y =[164.05; 73.72; 23.39; 17.11; 20.31; 29.37; 74.74; 117.02;
298.04; 348.13; 294.75; 253.78; 250.48; 239.48; 236.52; 245.04;
286.74; 304.78; 288.76; 247.11; 216.73; 185.78; 171.19; 171.73; 164.05];