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function fcn = makefcn(a,b,c) %MAKEFCN Used by NESTEDDEMO. % This function returns a handle to a customized version of 'parabola'. % a,b,c specifies the coefficients of the function. % Copyright 1984-2014 The MathWorks, Inc. fcn = @parabola; % Return handle to nested function function y = parabola(x) % This nested function can see the variables 'a','b', and 'c' y = a*x.^2 + b.*x + c; end end