14.3.13 Counting elements equal to a given value
The
count_eq
command counts the number of elements in a matrix which are equal to a given value.
count_eq
takes two arguments:
a
, a value.
A
, a matrix or a list.
count_eq(
a
,
A
)
returns the number of elements of
A
that are equal to
a
.
Example
count_eq
(12,[[2,12,45],[3,7,78]])
1
