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In complex analysis, Cauchy's integral theorem states (loosely speaking) that the path integral of any entire differentiable function, around any closed curve, is zero. I would like to see this numerically, using R (and indeed I would like to use the residue theorem as well). Has anyone coded up path integration? -- Robin Hankin Uncertainty Analyst Southampton Oceanography Centre

Dear list useRs, I have to generate a random set of coordinates (x,y) in [-1 ; 1]^2 for say, N points. At each of these points is drawn a circle (later on, an ellipse) of random size, as in: > N <- 100 > > positions <- matrix(rnorm(2 * N, mean = 0 , sd= 0.5), nrow=N) > sizes<-rnorm(N, mean = 0 , sd= 1) > plot(positions,type="p",cex=sizes) My problem is to

Hello, Specifically this is in reference to RHSA-2017:2483, which should increment the httpd24 packages to 25-9 in the SCL. The SA was released on August 16th 2017, so it has some age to it, but there's no corresponding CESA on it and the SCL for 6 still sits at the previous, 25-8. Some links for reference: https://access.redhat.com/errata/RHSA-2017:2483 Online repo: