Error using integralCalc/finalInputChecks Output of the function must be the same size as the input. If FUN is an array-valued integrand, set the 'ArrayValued' option to true. Error in integralCalc/iterateScalarValued (line 315) finalInputChecks(x,fx); Error in integralCalc/vadapt (line 132) [q,errbnd] = iterateScalarValued(u,tinterval,pathlen); Error in integralCalc (line 75) [q,errbnd] = vadapt(@AtoBInvTransform,interval); Error in integral (line 87) Q = integralCalc(fun,a,b,opstruct); Error in hw52 (line 22) Pp(m, n) = (2 / pi) * integral(@(omega) cos_evaluation(omega, m, n, c), 0, omega_p)