Covert Matlab Code to C language

Rohan Mehta

2019 6 29

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Hello There, I have made an matlab code and I want to covert the given code to C, I am using the inbuilt app to convert the code but facing some problems Can anyone help ?

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Sameer Gadekar 2019-6-29

在 MATLAB Online 中打开

Code generation does not support variable 'X' growth through indexing. where in your code X is k max1 and q.

k(j+1) = i;
max1(n)=max(mat1(:));
q(t) = find(A == max1(t),1,'first');

This is limitation of the coder.

Please find the solution on the below link

https://in.mathworks.com/help/simulink/ug/limitations-with-variable-size-support-for-code-generation.html#bq1h2z9-86

Sameer Gadekar 2019-6-29

在 MATLAB Online 中打开

function G = Bioscan(W) %#codegen
W = load('C:\Users\ROHAN\Desktop\C4.csv');
A = W(:,2);
C = find(A<75);
k = [];
max1 = [];
q = [];
A(C) = 0;
i = 1;
j = 0;
n = 1;
t = 1;
k = 0;
max1 = 0;
q = 0;
while i<1000004
    while A(i)>75
         
          k = [k i];
          i = i+200000;
          j = j+1;
          if j == n
              mat1=A((k(n)-25):(k(n)+30));
              max1 = [max1 max(mat1(:))];
              n = n+1;
          end
          if (i - 200000) ~= k(j)
              A(i-200000) = 0;
          end
          if j == 5
              break
          end
          if i > 1000004
              r = 1;
              V = fprintf('Invalid Data \n');
              return
          end
    end
    if j == 5
        while t<=5
            q = [q find(A == max1(t),1,'first')];
            t = t+1;
        end
        idx = setdiff(1:length(A),q); % indexes which are not in q
        A(idx) = 0;
        plot(A);
        title('Recieved Signal');
        xlabel('Samples');
        ylabel('Amplitute (In mV)');
        return;
    end
    if (j <= 4 && j >= 1)
        i = k(1)+1;
        j = 0;
        o = 1;
        n = 1;
    end
    i = i+1;
end
end