I have to store 3 sets of data, with for statement

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Devesh Kumar 2022-6-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1744725-i-have-to-store-3-sets-of-data-with-for-statement

评论： Devesh Kumar 2022-6-28

for i = 1:cf_n
    x1(i,1) = [2 Vr_on_cf  Vr_R1_cf(i) Vr_R2_cf(i) Vr_cf_end]; % Az/D for cross - flow 
    y1(i,1) = [0 0.15 Az1_D(i) Az2_D(i) 0]; % reduced velocity 
end

Here Vr_on_cf,Vr_cf_end is constant = 2.5 and 16 respectivetly , Vr_R1_cf & Vr_R2_cf are vector which contains 3 values say [ a b c] and [d e f], in this particular case cf_n is 3

now I want my output like this

x = [2 2.5 a d 16; 2 2.5 b e 16; 2 2.5 c f 16]; basically 5*3 matrix

how should I run the for loop

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Walter Roberson 2022-6-21

在 MATLAB Online 中打开

for i = 1:cf_n
    x1(i,:) = [2 Vr_on_cf  Vr_R1_cf(i) Vr_R2_cf(i) Vr_cf_end]; % Az/D for cross - flow 
    y1(i,:) = [0 0.15 Az1_D(i) Az2_D(i) 0]; % reduced velocity 
end

Devesh Kumar 2022-6-21

Thanks allot @Walter Roberson

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Answer 1

Pooja Kumari 2022-6-28

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1744725-i-have-to-store-3-sets-of-data-with-for-statement#answer_995360

在 MATLAB Online 中打开

Dear Devesh,

It is my understanding that you want to store three sets of data using for loop.

Given that Vr_on_cf, Vr_cf_end is constant = 2.5 and 16 respectively, Vr_R1_cf & Vr_R2_cf are vector which contains 3 values say [ a b c] and [d e f], in this particular case cf_n is 3.

You can get the provided output using the following code:

Vr_on_cf = 2.5;
Vr_cf_end = 16;
Vr_R1_cf = [ "a" "b" "c"];
Vr_R2_cf = [ "d" "e" "f"];
% x = [2 2.5 a d 16; 2 2.5 b e 16; 2 2.5 c f 16]; %Required Output
for i = 1:3
    x1(i,:) = [2 Vr_on_cf  Vr_R1_cf(i) Vr_R2_cf(i) Vr_cf_end] % instead of your provided code, you can use this changed to get the required output
end