Index exceeds the number of array elements (3).

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Pimpawee Khumsup 2021-9-4

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1446549-index-exceeds-the-number-of-array-elements-3

评论： Walter Roberson 2021-9-4

n = input('What"s your ""favorite"" number? ')
twiceYourFavoritePlusOne = 2*n + 1
myFavorites = linspace(2,8,3)
yourFavorites = 2:3:6
myFavorites(yourFavorites)
yourFavorites(myFavorites) = 6
myFavoritesSquares = myFavorites.*myFavorites
if (rem(n,2) == 0)
    disp('even')
else
    disp('odd')
end
ages4review = [19 7 4 2; 14 89 62 50; 2 3 2 12]

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回答（1 个）

Chunru 2021-9-4

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1446549-index-exceeds-the-number-of-array-elements-3#answer_780669

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What is the purpose of your code?

n = 4; %input('What"s your ""favorite"" number? ')
twiceYourFavoritePlusOne = 2*n + 1
twiceYourFavoritePlusOne = 9
myFavorites = linspace(2,8,3)
myFavorites = 1×3
     2     5     8
yourFavorites = 2:3:6
yourFavorites = 1×2
     2     5
myFavorites(yourFavorites)
Index exceeds the number of array elements (3).
% myFavorites has only 3 numbers.  yourFavourites has index 2 and 5.  
% The index 5 exceeds the number of elements in myFavorites.
yourFavorites(myFavorites) = 6
myFavoritesSquares = myFavorites.*myFavorites
if (rem(n,2) == 0)
    disp('even')
else
    disp('odd')
end
ages4review = [19 7 4 2; 14 89 62 50; 2 3 2 12]