I have variables enumerated by square parentheses: x[i], however I am unable to define a function by these variables:
f[x[1]_]:= x[1]^2
This doesn’t work. What can be done? Thanks.
f[x_[y_]] := x[y]^2
I have variables enumerated by square parentheses: x[i], however I am unable to define a function by these variables:
f[x[1]_]:= x[1]^2
This doesn’t work. What can be done? Thanks.
f[x_[y_]] := x[y]^2