What is wrong with the code ?

i've got the base equations on the first 3 rows and the gauss-seidel on the last 3 rows , i tried writing a code that's like this ... and i get an error message

x1 + 5x2 - 6x3 = 5

3x1 + x2 + 5x3 = 23

x1 + 4x2 + x3 = 7

x1=(23-x2-5*x3)/3

x2=(7-x1-x3)/4

x3=(x1+5*x2-5)/6

Answer 1

[Alan Stevens]

Remove the

i = i+1;

that immediately follows the while ,,, instruction.

otherwise, first time in to the loop you are trying to set x1(3) = (23 - x2(2) - 5*x3(2))/3, but you have yet to specify x2(2) and x3(2).