Discrete time signal defining

I am trying to define a discrete time in which n = [-5:1:5] and the values of x[n] should be 1 2 3 4 5 6 5 4 3 2 1 I have the following code

syms x(n) n h(n) y(n)
n = (-5:1:5);
x(n) = [1 2 3 4 5 6 5 4 3 2 1];
plot(x(n),n)

But When I run this I get the following error:

Error using sym/subsasgn (line 963)
Invalid indexing or function definition. Indexing must follow MATLAB indexing. Function arguments must be
symbolic variables, and function body must be sym expression.

Answer 1

[Shadaab Siddiqie]

From my understanding you are getting an error for the above code. This is because you are assigning non symbolic variables to a symbolic variable in line :

x(n) = [1 2 3 4 5 6 5 4 3 2 1];

Please refer syms for more information.