MATLAB 프로그래밍 과제9

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본문내용

1.
>> x = -20:.1:30;
>> a =10;
>> y = a*cosh(x/a);
>> plot(x,y), title('현수선의 그래프'), xlabel('x'), ylabel('y'), grid

2.
>> t = 0:.01:0.2;
>> x = (0.5+5*t).*sin(((2*pi)/3)*t).*cos(4*pi*t);
>> y = (0.5+5*t).*sin(((2*pi)/3).*t).*sin(4*pi*t);
>> z = (0.5+5*t).*cos(((2*pi)/3)*t);
>> plot3(x,y,z), title('3차원의 그래프'), xlabel('x'), ylabel('y'), zlabel('z'), grid

3.
>> [x, y] = meshgrid(-10:.1:10);
>> z = (-x).^2+2*x.*y+3*(y).^2;
>> mesh(x,y,z), title('표면 그래프'), xlabel('x'),
ylabel('y'), zlabel('z')
>> contour(x,y,z), title('등고선 그래프'), xlabel('x'), ylabel('y'), grid

참고 자료

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