Problem about plotting 2D about multiple of functions

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Amin Bor
Amin Bor 2016-12-6
评论： Amin Bor 2016-12-7
Hi.
I started Matlab recently. I wanted to draw this graph but Matlab always say this error.
x = 0:pi/100:6*pi;
y = floor(sin(x)) * floor(x);
plot(x,y);
Error using *
Inner matrix dimensions must agree.
Is it possible to help me? I'm sorry for bad English too.
Thanks.

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采纳的回答

Mischa Kim
Mischa Kim 2016-12-6
编辑：Mischa Kim 2016-12-6
Amin, use instead
y = floor(sin(x)) .* floor(x); % notice the period before the *
This allows you to do element-wise multiplication.
  1 个评论
Amin Bor
Amin Bor 2016-12-7
Thanks for answer. I have another question. when I draw a graph like my graph in my question It's like this. my problem is that the circle that I showed is only one point and there is no line between this point and my graph but Matlab joint this points with a line to my graph. Is it possible to change this property? Thanks again.

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