Pythagorean Triples with Loops

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Adam Olsen 2020-3-18

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https://ww2.mathworks.cn/matlabcentral/answers/511434-pythagorean-triples-with-loops

评论： Dyuman Joshi 2024-2-21

I need help figuring out how to write this. I have a general idea of what to write, but I am stuck with what the general form of the script should be. Also, how to eliminate the duplicates. Any help would be appreciated. Thank You!

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James Tursa 2020-3-18

What have you done so far? What specific problems are you having with your code?

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Answer 1

James Tursa 2020-3-18

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/511434-pythagorean-triples-with-loops#answer_420636

编辑：James Tursa 2020-3-18

在 MATLAB Online 中打开

E.g., an outline

% (1) insert code here to ask for the largest value n
for a=1:n
    for b=a:n
        for c=b:n
            % (2) insert code here to check for a^2 + b^2 = c^2
            % (3) if it works, save the a, b, c values in a matrix (e.g., one of the rows)
        end
    end
end
% (4) write code here to eliminate scaled duplicates

Write (1) first to make sure you can input a positive integer.

Write the logic for (2) next. When you get a set that works, just print it to the screen for now.

When you have (2) working, write (3) to store the results in a matrix (e.g., one set per row).

When you get (3) working, write code for (4) to eliminate scaled duplicates. Or, you could move (4) right next to (3) and check for scaled duplicates as you go and not even include them in the matrix.

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Eric 2024-2-21

I'm a little late but how exactly would I save the values of a, b, and c in a matrix and then create new values of a, b, and c to check for a scaled duplicate. I have in my code SideLenghtMat = [a b c]; but after another triangle is found and the values of a b and c are different how would I check the old values of a b and c. I guess my question is: how do I save each unique value of a b and c without them being erased from the system every time the loop happens to check for a triple?