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replace the 2nd and 3rd elements without the use of find

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Chaoyang Jiang
Chaoyang Jiang 2018 年 6 月 9 日
終了済み: MATLAB Answer Bot 2021 年 8 月 20 日
a=[2 3 4 1 3];
b=[1 1 0 1 0];
c=[2 3];
how to replace the 2nd and 3rd elements (c) in a(b) by 3 without the use of find? The expecting results are:
a(b)=[2 3 1];
a(b)(c)=[3 1];
The following code cannot run.
a(b)(c)=3;

回答 (1 件)

James Tursa
James Tursa 2018 年 6 月 9 日
Hints:
1) Create a new variable to store a(b) <-- Assuming b is a logical vector here!
2) Use c to index into this variable and replace the values
3) Assign this result back into a(b)

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