[R] How to calculate the product of every two elements in two lists?

carla moreira carlamgmm at gmail.com
Mon Jun 13 15:23:06 CEST 2011


u<-c(0.1,0.2,0.3)
v<-c(0.2,0.3,0.5)

outer1<-outer(u,u,">=")
outer2<-outer(v,v,">=")
m<-nrow(outer1)
j<-nrow(outer2)
zz<-lapply(1:m, function(m) as.numeric(outer1[m,]))
tt<-lapply(1:m, function(m) as.numeric(outer2[m,]))

zz[[1]]*tt[[3]], e.g., is possible, but I want every products between two
lists.

Is there a way to do that?

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