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Re: determinant of a matrix of functions
Posted:
Oct 7, 2013 2:28 AM


"Mohsen Rajaei" <mrajaei87@gmail.com> wrote in message <l2rpsf$lrd$1@newscl01ah.mathworks.com>... > Dear all, > > I have a 2by2 matrix and want to get the determinant. This is easy when the elements are numbers. For example, when we have > A=[1 2 ; 3 4] > det(A) returns 2. > > But if I have a matrix of functions, for example > A=@(x) [x x+1 ; x+2 x], > I expect that det(A) returns a function which is 3*x2; however, MATLAB cannot evaluate this and returns this error: > > Undefined function 'det' for input arguments of type 'function_handle'. > > How can I find the determinant of this matrix? Is there another way to solve this problem??
@d det(A(x))



