abs.free {freegroup} | R Documentation |
free
objectReplaces every term's power with its absolute value
## S3 method for class 'free'
abs(x)
x |
Object of class |
Replaces every term's power with its absolute value
The function's name is motivated by the inequality in the examples section.
Robin K. S. Hankin
abs(abc(-5:5))
a <- rfree(10,4,7)
b <- rfree(10,4,7)
a
abs(a)
## following should all be TRUE:
all(size(abs(a+b)) <= size(abs(a) + abs(b)))
all(total(abs(a+b)) <= total(abs(a) + abs(b)))
all(number(abs(a+b)) <= number(abs(a) + abs(b)))
all(size(a+b) <= size(abs(a) + abs(b)))
all(total(a+b) <= total(abs(a) + abs(b)))
all(number(a+b) <= number(abs(a) + abs(b)))