Iterating using while loop over a vector

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bassant tolba 2022-11-20

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https://ww2.mathworks.cn/matlabcentral/answers/1857483-iterating-using-while-loop-over-a-vector

编辑： Torsten 2022-11-20

Dear all,

I want to iterate using while loop over a vector of size (10x1) to reach the convergence. how can I make this, such as the below figure

Can any one help me please ?

note P, ro, and z all of them are vetor with size 10x1

the actual values of ro,P, and z as follows:

ro=[1,0,0,0,0,0,0,0,0,0];

P=[1,1,1,1,1,1,1,1,1,1];

z=ro=[1,0,0,0,0,0,0,0,0,0];

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回答（1 个）

Torsten 2022-11-20

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https://ww2.mathworks.cn/matlabcentral/answers/1857483-iterating-using-while-loop-over-a-vector#answer_1106268

编辑：Torsten 2022-11-20

在 MATLAB Online 中打开

And how do we obtain ro_j and z_j from P_(j-1) in step 4 ?

And how to calculate P_j ?

j = 0;
error = 1;
rho=[1,0,0,0,0,0,0,0,0,0];
P=[1,1,1,1,1,1,1,1,1,1];
z=rho;
while error > 1e-4
    j = j + 1;
    [rho;z] = some function of P;  % calculate ro_j and z_j as functions of P_(j-1)
    P = ?   % calculate new P_j (most probably as solution of an optimization problem)
    error = ?  % calculate error
end