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How to convert this c code in to matlab.

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RAVI MANDAVA
RAVI MANDAVA 2016-3-13
关闭： MATLAB Answer Bot 2021-8-20
for s=0:s<n/h -1:s+1
F1 = (X13(s+1) - X13(s))/h;
F2 = (X14(s+1) - X14(s))/h;
F3 = (X15(s+1) - X15(s))/h;
F4 = (X16(s+1) - X16(s))/h;
tt = tt + (n/(kkk -1));
end
this is the error i am getting
Undefined function or variable 's'.
Error in test4 (line 479)
for s=0:s<n/h -1:s+1
  1 个评论
Walter Roberson
Walter Roberson 2016-3-13
You do not appear to have posted the C code to be converted.

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回答（1 个）

Roger Stafford
Roger Stafford 2016-3-13
编辑：Roger Stafford 2016-3-13
In the first place, the arrays X13, X14, and X16 will have to be changed to start at index 1, not 0. Matlab does not allow an index of 0. Then your code in matlab would be:
for s = 1:1:n/h % 1:n/h would do just as well
F1 = (X13(s+1) - X13(s))/h;
F2 = (X14(s+1) - X14(s))/h;
F3 = (X15(s+1) - X15(s))/h;
F4 = (X16(s+1) - X16(s))/h;
tt = tt + (n/(kkk -1));
end
In matlab this computation of F1 through F4 would be uselss unless you provided some method of storing these results as you go along. (That is also true of C.)

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