>> I ??? Undefined function or variable 'I'. >> minus1 = i^2 minus1 = -1 >> a_b_c = 1*2*3*pi a_b_c = 18.8496 >> 1minus ??? 1minus | Error: Missing MATLAB operator. >> t=i/0 Warning: Divide by zero. t = NaN + Infi >>MATLAB rechnet nach dem IEEE Standard für Fliesskommazahlen [16].