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How to create an array with first 100 elements as 1, next 100 as 2 and so on?

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Sahil Islam 2022-2-26

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https://ww2.mathworks.cn/matlabcentral/answers/1658995-how-to-create-an-array-with-first-100-elements-as-1-next-100-as-2-and-so-on

评论： Sahil Islam 2022-2-26

采纳的回答： Walter Roberson

I want to create an array which looks like this:

[1 1 1 1 ...(100 time), 2 2 2 2...(100 times), 3 3 3 3....]

like this.

I'm very new to matlab, Any help?

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Stephen23 2022-2-26

The simple MATLAB approach: https://www.mathworks.com/help/matlab/ref/repelem.html

Sahil Islam 2022-2-26

Worked. Thanks.

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Walter Roberson 2022-2-26

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https://ww2.mathworks.cn/matlabcentral/answers/1658995-how-to-create-an-array-with-first-100-elements-as-1-next-100-as-2-and-so-on#answer_905015

repelem()

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Sahil Islam 2022-2-26

Can you give a proper code. Like repelem() does that. But how to make one array of all those?

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Vineet Kuruvilla 2022-2-26

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https://ww2.mathworks.cn/matlabcentral/answers/1658995-how-to-create-an-array-with-first-100-elements-as-1-next-100-as-2-and-so-on#answer_905045

在 MATLAB Online 中打开

n = 5;
A=[];
for i = 1 : 5
    A=vertcat(A,i*ones(1,100));
end
disp(A)

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Vineet Kuruvilla 2022-2-26

编辑：Vineet Kuruvilla 2022-2-26

You can change vertcat to horzcat if you want all in one row.

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MATLAB Language Fundamentals Matrices and Arrays

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