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Star Strider
Star Strider 2018-1-26
编辑：Star Strider 2018-1-26

2 个投票

Try this:
x = [1;1] * linspace(-4, 4, 25) ;
y = x.^2;
figure(1)
surf(x, y, [zeros(size(x(1,:))); 5*ones(size(x(1,:)))], 'EdgeColor','b')
grid on
view(-75, 45)
EDIT — Added plot.

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