Warning: The input to STR2FUNC "у" is not a valid function name.
01.12.2021
Добрый вечер!
Помагите пожалуйста найти ошибку в решнии задачи.
Задание:
Функция задана выражением: f(x)=-e^x+8x^4+3ctgx+1. Найти с применением метода парабол (Симпсона) величину интеграла от функции f(x) с учетом точностью вычислений, равной 10-5 , в пределах [1; 10].
y= ('-exp(x)+8*x.^4+3*ctg(x)+1');quad('у',1,5,1e-5)
Выдает ошибку:
Warning: The input to STR2FUNC "у" is not a valid function name. This will generate an error in a future release.
> In fcnchk (line 49)
In quad (line 57)
Undefined function or variable 'у'.
Error in quad (line 67)
y = f(x, varargin{:});
Лучший ответ
Не существует ф-ции ctg, есть ф-ция cot.
Ответы
Не существует ф-ции ctg, есть ф-ция cot.
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