>> options = optimset options = scalar structure containing the fields: AutoScaling = [](0x0) ComplexEqn = [](0x0) Display = [](0x0) FinDiffType = [](0x0) FunValCheck = [](0x0) GradObj = [](0x0) Jacobian = [](0x0) MaxFunEvals = [](0x0) MaxIter = [](0x0) OutputFcn = [](0x0) TolFun = [](0x0) TolX = [](0x0) TypicalX = [](0x0) Updating = [](0x0)