increasingfunctionweakly

noun
UK /ɪnˈkriːsɪŋ ˈfʌŋkʃən ˈwiːkli/
US /ɪnˈkriːsɪŋ ˈfʌŋkʃən ˈwiːkli/

A weakly increasing function is a math rule where the answer never gets smaller as the input gets bigger.

The step function is a weakly increasing function because it stays flat and never goes down.


OTHER MEANINGS

2. A function that may stay the same or rise but never falls as its input grows.

A constant function is a simple weakly increasing function.

3. A map between ordered sets that preserves order in a non-strict sense.

In order theory, a weakly increasing function keeps the order of elements.

4. A sequence whose terms never decrease from one to the next.

The sequence 1, 1, 2, 2, 3 is weakly increasing.