How to store data

Question

Griffin Polglaze 2020-7-12

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/563588-how-to-store-data

回答： madhan ravi 2020-7-12

I am trying to store data for variables x, y, r and theta but am not sure how to do it. Any help would be greatly appreciated

angle = pi;
D = 0.05;
while angle < 2*pi
        
    angle = angle + pi/100;
    x = (D/2)*cos(angle);
    y = (D/2)*sin(angle);
    r = (x^2+y^2)^0.5;
    theta = atan(y/x);
end

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Answer 1

madhan ravi 2020-7-12

0
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https://ww2.mathworks.cn/matlabcentral/answers/563588-how-to-store-data#answer_464600

在 MATLAB Online 中打开

dp = pi/100;
Angle = pi : dp : (2*pi - dp);
D = 0.05;
x = (D/2) * cos(Angle);
y = (D/2) * sin(Angle);
r = sqrt(x .^ 2 + y .^ 2);
theta = atan(y ./ x);