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Convex vs Subderivative - What's the difference?

convex | subderivative |

As nouns the difference between convex and subderivative

is that convex is any convex body or surface while subderivative is (linguistics) a word derived indirectly from a derivative of another.

As an adjective convex

is curved or bowed outward like the outside of a bowl or sphere or circle.

convex

English

Adjective

(en adjective)
  • curved or bowed outward like the outside of a bowl or sphere or circle
  • * Whewell
    • Drops of water naturally form themselves into figures with a convex surface.
  • (mathematics, not comparable, of a set) arranged such that for any two points in the set, a straight line between the two points is contained within the set.
  • (geometry, not comparable, of a polygon) having no internal angles greater than 180 degrees.
  • (functional analysis, not comparable, of a real-valued function on the reals) having an epigraph which is a convex set.

    • Antonyms

    * concave

    Derived terms

    * convex combination * convex set

    Noun

    (es)
  • Any convex body or surface.
  • * Tickell
    • Half heaven's convex glitters with the flame.

    References

    * ----

    subderivative

    English

    Noun

    (en noun)
  • (linguistics) A word derived indirectly from a derivative of another
    • "Friendliness" is a subderivative : it is derived from "friendly", which comes from "friend".
  • (mathematics) The slope of a line that either touches, or is below the line of a convex function