(Cumulative) Sums, Products of Large Integers and Rationals
Operators acting on vectors, arrays and lists to extract or replace subsets.
1 2 3 4 5 6 7 8 9 10 11 12 13  ## S3 method for class 'bigz'
x[i=NULL, j=NULL, drop = TRUE]
## S3 method for class 'bigq'
x[i=NULL, j=NULL, drop = TRUE]
##_______ In the following, only the bigq method is mentioned: ______
## S3 method for class 'bigq'
c(..., recursive = FALSE)
## S3 method for class 'bigq'
rep(x, times=1, length.out=NA, each=1, ...)

x 
R object of class 
... 
further arguments, notably for 
i,j 
indices, see standard R subsetting and subassignment. 
drop 
logical, unused here. 
times, length.out, each 
integer; typically only one is
specified; for more see 
recursive 
unused here 
Unlike standard matrices, x[i]
and x[i,]
do the same.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23  a < as.bigz(123)
## indexing "outside" > extends the vectors (filling with NA)
a[2] < a[1]
a[4] < 4
## create a vector of 3 a
c(a,a,a)
## repeate a 5 times
rep(a,5)
## with matrix
m < matrix.bigz(1:6,3)
## these do the same:
m[1,]
m[1]
m[c(2,3),]
m[c(2,3)]
m[c(TRUE,FALSE,FALSE)]
##_modification on matrix
m[2,1] < 11

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