Array indices must be positive integers or logical values.
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My code keeps outputting this error:
i = 0;
x1 = xi - f(xi)./df(xi);
while abs(f(x1)) > precision
i = i + 1;
x1 = xi - f(x1)/df(xi)
end
- Array indices must be positive integers or logical values.
Can anyone suggest a fix?
采纳的回答
madhan ravi
2020-5-31
0 个投票
f & df should be a function handle , can't see how you defined so it might be the issue.
更多回答（1 个）
Image Analyst
2020-5-31
0 个投票
You're passing in x1 and xi as array indexes. These are most likely floating point numbers, not integers or logical values. See the FAQ for a thorough discussion: https://matlab.fandom.com/wiki/FAQ#.22Subscript_indices_must_either_be_real_positive_integers_or_logicals..22
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