how to code newton-raphson method for solving nonlinear equation with two variables

when i run this code it's not working. but i don't know what's wrong.

Not enough input arguments.

Error in jfreact (line 3)

x=x(1); %define values

[madhan ravi]

Uploading code is better than a screenshot.

Answer 1

[Ameer Hamza]

This error will occur if you run jfreact() without any input arguments. You need to run it with input vector x. For example,

x = [1 2];
jfreact(x)