error: Running: subscript indices must be either positive integers less than 2^31 or logicals
error: called from
    Running at line 4 column 5

error: Running: subscript indices must be either positive integers less than 2^31 or logicals
error: called from
    Running at line 4 column 5

error: Running: subscript indices must be either positive integers less than 2^31 or logicals
error: called from
    Running at line 4 column 5

error: for A^b, A must be a square matrix. Use .^ for elementwise power.
error: called from
    Running at line 4 column 5

error: 'f' undefined near line 8 column 14
error: called from
    Running at line 8 column 5

parse error near line 1 of file Running

  invalid left hand side of assignment

>>> f(x)=x^3+x-1=0

                ^

parse error near line 1 of file Running

  invalid left hand side of assignment

>>> f(x)=(x^3)+x-1=0

                  ^

parse error near line 1 of file Running

  invalid left hand side of assignment

>>> f(x)=x^3+x-1=0

                ^

error: 'x' undefined near line 1 column 6
error: called from
    Running at line 1 column 5

parse error near line 1 of file Running

  invalid left hand side of assignment

>>> f(x)=x^3+x-1=0

                ^

error: 'f' undefined near line 4 column 15
error: called from
    Running at line 4 column 3

error: 'f' undefined near line 4 column 15
error: called from
    Running at line 4 column 3