How do you erase rows from matrix based on specific values in the row using loop control?

Question

Albert Moller 2019-9-27

0
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https://ww2.mathworks.cn/matlabcentral/answers/482450-how-do-you-erase-rows-from-matrix-based-on-specific-values-in-the-row-using-loop-control

关闭： MATLAB Answer Bot 2021-8-20

I have an assignment to do in my advanced structural design class and being a first time MATLAB user im struggling to do task 10. I want to use the same algorithm as shown below but adapted to task 10. Anyone have some tips?? I dont know how to get matrices as outputs...

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madhan ravi 2019-9-27

Always post the code instead of screenshot , so that another person doesn’t have to type your code all over again.

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Answer 1

Ajay Kumar 2019-9-27

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https://ww2.mathworks.cn/matlabcentral/answers/482450-how-do-you-erase-rows-from-matrix-based-on-specific-values-in-the-row-using-loop-control#answer_393761

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doc find.

x1=1;
x2=1;
for i = 1:length(J)
    if find(J(i,:)==77)
        matrix1(x1,:)=J(i,:);
        x1=x1+1;
    else
        matrix2(x2,:)=J(i,:);
        x2=x2+1;
    end
end