eng

### monotonic <mathematics>

never increasing or never decreasing

Note to entry: An increasing sequence never gets smaller. A strictly increasing sequence always gets larger. A decreasing sequence never gets larger. A strictly decreasing sequence always gets smaller. `[x(i) "is increasing"] hArr [i < j => x(i) <= x(j)]` `[x(i) "is strickly increasing"] hArr [i < j => x(i) < x(j)]` `[x(i) text( is decreasing)] hArr [i < j => x(i) >= x(j)]` `[x(i) text( is strickly decreasing)] hArr [i < j => x(i) > x(j)]` `[x(i) text( is decreasing)] vv [x(i) text( is increasing)] hArr [x(i) text( is monotonic)]`

ORIGIN: ISO/TC 211 Glossary of Terms - English (last updated: 2020-06-02)