3-D-plot doesn't look like on Wolfram Alpha
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I'm confused. By typing:
[x,y] = meshgrid(-2:0.2:2)
z = sin(x)./(y.^2+1)
surf(x,y,z)
I receive a totally different plot.
采纳的回答
Alan Stevens
2020-12-8
0 个投票
It looks the same to me as long as you enter
plot sin(x)/(y^2+1) from x=-2 to 2 and y=-2 to 2
into Wolfram Alpha
2 个评论
Niklas Kurz
2020-12-14
Steven Lord
2020-12-15
See this documentation page for more information about the difference between the / and ./ operators.
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