This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions

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@ -0,0 +1,22 @@
m <- 10
n <- 10
mat <- matrix(sample(1:20L, m*n, replace=TRUE), nrow=m); mat
done <- FALSE
for(i in seq_len(m))
{
for(j in seq_len(n))
{
cat(mat[i,j])
if(mat[i,j] == 20)
{
done <- TRUE
break
}
cat(", ")
}
if(done)
{
cat("\n")
break
}
}

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@ -0,0 +1,5 @@
m <- 10; n <- 10; mat <- matrix(sample(1:20L, m*n, replace=TRUE), nrow=m);
x<-which(mat==20,arr.ind=TRUE,useNames=FALSE)
x<-x[order(x[,1]),]
for(i in mat[1:x[1,1]-1,]) print(i)
for(i in mat[x[1,1],1:x[1,2]]) print(i)