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2005 Dec 05
5
What is wrong with this FOR-loop?
Hi, I have a more complex example, but the problem boils down to this FOR-loop not filling in the res-matrix run_rows<-seq(0,1,0.05) run_cols<-seq(0.3,0.6,0.05) res<-matrix(NA,length(run_rows),length(run_cols)) for(i in run_rows) { for(j in run_cols) { res[i,j]=i+j #niether the above, nor res[[i,j]]=i+j work, why? } } Thank you, Serguei