凹函数 ... 凹函数 （英語： Concave function）是指 下境圖 [註 1] 为 凸集 的一类函数。

Definition of concave adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Therefore, a concave body may be virtually cut into several convex subbodies at the stage of creating the geometry model of the body.

爱词霸权威在线词典,为您提供concave的中文意思,concave的用法讲解,concave的读音,concave的同义词,concave的反义词,concave的例句等英语服务。

Sep 9, 2023 · Concave lenses focus light inside the curve of the lens, while convex lenses focus light using the outer curve. A lens that curves like a “C” (no flat side) is both concave or convex, …

Concave 是英语多词性术语，作形容词时意为“凹的、凹面的”，作名词指“凹面”，作动词表示“使变凹形”。 其英式发音为 [kɒn'keɪv]，美式发音为 [kɑn'kev]，常见于数学、光学及工程等领域。

Illustrated definition of Concave: Curved inwards. Example: A polygon (which has straight sides) is concave when there are dents or indentations...

Jul 13, 2021 · Concave vs. convex lenses Concave lenses—those that are thicker around the edges than they are in the center— disperse light rays, which can have the effect of making things look …

The meaning of CONCAVE is hollowed or rounded inward like the inside of a bowl. How to use concave in a sentence.

In mathematics, a concave function is one for which the function value at any convex combination of elements in the domain is greater than or equal to that convex combination of those domain elements.