函子

These problems include the selfadjointness of the coefficient matrix operator, the functional of the matrix operator equation, the equivalence between variational problem and boundary value problem of eddy-current fields, and the extreme value principle of the functional.

本文首先从求解时谐涡流场的〓-ψ法与〓-Ω法的矩阵算子方程出发，提出了时谐涡流场的统一矩阵算子方程，进而系统地讨论了该方程的系数矩阵算子的自伴性、矩阵算子方程的泛函、涡流场边值问题与对应变分问题的等价性以及泛函的极值原理。

In C++, this can be done by a Functor.

在C ++，这是可以做到的一函子。

So, I created my own hardcoded Functor for this job.

所以，我为这个工作我自己的硬编码函子。

The functor decides whether a node will be returned in a particular iteration or not.

该函子节点决定是否将某一迭代或没有回来。

The proof shows that any functor which is a left adjoint is right exact.

该证明指出，任一函子，如果是一个左伴随，就右正合。

This paper starts by giving the mathematical background of monad by introducing the concept of category, functor, natural transformation and monad respectively.

本文依次给出了范畴论中范畴、函子、自然变换以及Monad的概念，并以Haskell语言为例，给出了上述概念在Haskell语言中的实现。

Wadler tries to appease critics by explaining that "a monad is a monoid in the category of endofunctors, what's the problem?"

为了平息这些批评，沃德勒解释说："'单子'只不过是'自函子范畴中的一个含幺半群'而已，有什么难的？"

And then we discuss the morphism, object, fuzzy domain and fuzzy codomains definition and their properties.

在文章的最后我们给出了两个模糊范畴之间的映射——函子的定义。

A separable functor F:〓M→〓M has more properties: information about semisimplicity, injectivity, and projectivity of objects in 〓M yields information about the corresponding properties in 〓M.

并且当F：〓M→〓M是可分函子时，如果范畴〓M中的对象具有半单性、内射性、投射性，那么在范畴〓M中的相应对象将仍然保持这些性质。

Some Properties of Monad and Comonad;2. The definitions of entwining structures of monads and comonad s and entwining modules are given and the paper studied their relations with entwining structures of algebras and coalgebras in categories,then we build an adjoint functors pair between the two categories of entwining modules.

首先给出了单子和余单子的缠绕结构和缠绕模及其与代数和余代数的缠绕结构和缠绕模之间的关系，并构造了一个函子伴随对，其次定义了余单子的类群元，得出了一些相关结论，最后给出了缠绕结构之间相容的定义和等价条件。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。