Further to Uwe's answer: I suspect that you're not telling us
the whole story (that's why it's so useful to have reproducible
code).
Try this:
x - y - 1:3
z - outer(x, y)
z[1,1] - 1/0
persp(x,y,z)
which results in:
Error in persp.default(x, y, z) : invalid 'z' limits
So, are some your
On 07.02.2010 22:46, Andrew Wang wrote:
I have this data set that both x y are ordered vectors of length 600 700
respectively; z is a 600 by 700 matrix whose entry z[i,j] is either a missing value
(indicated by 'NaN') or a real number between 0 and 1. The contour function
contour(x,y,z)
I have this data set that both x y are ordered vectors of length 600 700
respectively; z is a 600 by 700 matrix whose entry z[i,j] is either a missing
value (indicated by 'NaN') or a real number between 0 and 1. The contour
function
contour(x,y,z)
gives me a blank picture. I guess the
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