When i run my code it says Unrecognized function or variable A.

2022 2 4
2 个回答
回答已采纳
更新时间：2022 2 4
19 次查看（30 天）

0 个投票

function res = my_matlab_function(A,N)
A=4;
N=30;
y(1)=1/2*(3+(A^2/3));
y(2)=1/2*(y(1)+(A^2/y(1)));
y(3)=1/2*(y(2)+(A^2/y(2)));
y(4)=1/2*(y(3)+(A^2/y(3)));
y(5)=1/2*(y(4)+(A^2/y(4)));
for n=6:(N-1)
y(n)=1/2*(y(n-1)+A^2/y(n-1));
end
res=y(end);
disp(['A= ' num2str(A) 'Result=' num2str(res)])
end
%when i call my function:
result = my_matlab_function(A,N)
disp(['A= ' num2str(A) 'Result=' num2str(result)])

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 采纳的回答

Davide Masiello
Davide Masiello 2022-2-4

0 个投票

You need to define A and N before passing them to the function.
Try this:
A = 4;
N = 30;
result = my_matlab_function(4,30);
function res = my_matlab_function(A,N)
y(1)=1/2*(3+(A^2/3));
y(2)=1/2*(y(1)+(A^2/y(1)));
y(3)=1/2*(y(2)+(A^2/y(2)));
y(4)=1/2*(y(3)+(A^2/y(3)));
y(5)=1/2*(y(4)+(A^2/y(4)));
for n=6:(N-1)
y(n)=1/2*(y(n-1)+A^2/y(n-1));
end
res=y(end);
fprintf('A = %d\n',A)
fprintf('Result = %d\n',res)
end

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