Arrays and Matrices
Arrays
Array indexing. Subsections of an array
Index arrays
The
array()
function
Mixed vector and array arithmetic. The recycling rule
The outer product of two arrays
An example: Determinants of
digit matrices
Generalized transpose of an array
Matrix facilities. Multiplication, inversion and solving linear equations.
Forming partitioned matrices.
cbind()
and
rbind()
.
The concatenation function,
c()
, with arrays.
Frequency tables from factors. The
table()
function
Jeff Banfield
2/13/1998
digit matrices