How to draw a variable width line?

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mark palmer
mark palmer 2022-12-23
回答： KSSV 2022-12-23
I'm trying to draw a line that has a variable width over time. In the below, i make it go from 1 to 20 and back to 1 over 200 steps. Is this even possible? If so, what am I doing wrong?
X = linspace(1,300,3000);
Y = linspace(1,300,3000);
Y = sin(Y);
% plot(X,Y,'LineWidth', 2) % PLOTS SINE WAVE WITH LINEWIDTH OF 2
qnum = 100;
qsp = 2;
qz = round([linspace(1,qsp,qnum) linspace(qsp,1,qnum)]);
while size(qz) < 3000
qz = [qz qz];
end
for qq = 1:3000
plot(X(qq),Y(qq),'LineWidth',qz(qq))
end

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采纳的回答

KSSV
KSSV 2022-12-23
Ran in:
qnum = 300 ;
X = linspace(0,2*pi,qnum);
Y = sin(X);
qsp = 10;
qz = round(linspace(1,qsp,qnum-1));
figure
hold on
for qq = 1:qnum-1
plot(X(qq:qq+1),Y(qq:qq+1),'LineWidth',qz(qq),'color','k')
end

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