couldn't understand what's wrong in the function definition.
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f = @(t,y) [
((y(2)-a-l.*(abs(cos(y(3)+ pi/4)))).*y(1) + k.*y(1).*cos(y(3)- pi/2)).*(2/tc);
(P - (y(2).*(y(1) + 1))) / tf;
o - (k./tc).*2.* sin(y(3)));
];
getting a problem
"Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for
mismatched delimiters." in this.
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採用された回答
Walter Roberson
2022 年 7 月 19 日
o - (k./tc).*2.* sin(y(3)));
1 0 1 2 10!
the digits are the nesting level "after" the character above. You open and then close brackets, leaving zero open brackets. You then open two brackets... and you close three brackets, one more than you opened.
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その他の回答 (1 件)
Chunru
2022 年 7 月 19 日
a =1; P=2; i=3; tf=4; k=5; l=6; tc=7; o=8;
f = @(t,y) [ ( (y(2)-a-l.*(abs(cos(y(3)+ pi/4)) )).*y(1) + k.*y(1).*cos(y(3)- pi/2)).*(2/tc);
(P - (y(2).*(y(1) + 1))) / tf;
o - (k./tc).*2.* sin(y(3)) ]
f(1, [1; 2; 2])
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