As a noun summand
is something which is added or summed; for example in
1+2=3'' the summands are ''1'' and ''2'' which form the sum, ''3 .
As an adjective subadditive is
(of a function) such that the image of a sum is at most the sum of the images of the summands.
summand English
(Addition)
Noun
( en noun)
Something which is added or summed; for example in 1+2=3'' the summands are ''1'' and ''2'' which form the sum, ''3 .
See also
* addition, summation: (augend) + (addend) = (summand) + (summand) = (sum, total)
* subtraction: (minuend) ? (subtrahend) = (difference)
* multiplication: (multiplier) × (multiplicand) = (factor) × (factor) = (product)
* division: (dividend) ÷ (divisor) = (quotient), remainder left over if divisor does not divide dividend
Synonyms
* addend

subadditive English
Adjective
( )
(of a function) Such that the image of a sum is at most the sum of the images of the summands.
 The squareroot function is subadditive under addition because $\backslash sqrt\{a+b\}\backslash le\backslash sqrt\; a+\backslash sqrt\; b$.
Antonyms
* superadditive
Related terms
* subadditivity
