14.3.14 Counting elements smaller than a given value
The
count_inf
command counts the number of elements in a matrix which are less than a given value.
count_inf
takes two arguments:
a
, a real number.
A
, a matrix or a list of real numbers.
count_inf(
a
,
A
)
returns the number of elements of
A
that are strictly less than
a
.
Example
count_inf
(12,[2,12,45,3,7,78])
3