How to convert from a for loop to a while loop

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David Hughes
David Hughes 2015-7-7
编辑： Azzi Abdelmalek 2015-7-7
function [y] = HW5_P2(n)
%This function file determines the value of n^2 over the range 1 to n
for i = 3:3:n
x = [1:i];
y = x.^2;
subplot(2,2,i/3);
plot(x,y),xlabel('x'),ylabel('y'),title(num2str(i/3))
end
end

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2015-7-7
编辑：Azzi Abdelmalek 2015-7-7
Don't use the variable i, it's used by Matlab to represent complex numebers
ii=3
while ii<n
x = [1:ii];
y = x.^2;
subplot(2,2,ii/3);
plot(x,y),xlabel('x'),ylabel('y'),title(num2str(ii/3))
ii=ii+3
end

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