abs.free | 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
subs
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)))
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