clear;clc
x = .993 : 0.01 : 1.283;
for n = 1 :1: length(x)
f(x) = 7*x(n)^3 - 2*x(n)^2 + 7*x(n) - 14;
g(x) = -19*x(n)^3 + 3*x(n)^2 + 16*x(n) + 8;
end
plot(x,f,'+r',x,g,'-.b')
xlabel('x values')
ylabel('f(x) and g(x) values')
legend('f(x)','g(x)')
I keep getting:
Array indices must be positive integers or logical values.
Error in (line 9)
f(x) = 7*x(n)^3 - 2*x(n)^2 + 7*x(n) -14;
Please help