As the title.

* add the chinese doc of binary_cross_entropy_with_logits.

* refind rand, randn, standard_normal, normal, randint, randperm docs

test=develop

* test=develop

* fix AdamOptimizer, test=develop, test=document_fix

* fix AdamOptimizer, test=develop, test=document_fix

* fix AdamOptimizer, test=develop, test=document_fix

* fix AdamOptimizer, test=develop, test=document_fix

* fix python code

* fix norm bug cn doc, test=develop

* fix norm bug cn doc, test=develop

* polish load and saveloadconfig doc

* adjust alias

fix the argmax, argmin doc, change the default value for the argmax/argmin

* for new optimizer

* update en doc

* update en doc

* update en doc

* update cn doc

* fix cn doc

* update doc

* fix code style

* fix firmula of adamw

* update doc

* update doc

* fix sample code

* fix sample code

* fix rmsprop sample code

* change learningratedecay to lrscheduler

* fix doc

* fix return

* fix sample code

* fix sample code

* fix sample code

* fix sample code

* fix index test=develop

* fix some api index test=develop
Co-authored-by: NTC.Long <chenlong@TCLongdeMacBook-Pro.local>

* add distributed dir and doc

* remove start_processes & move DataParallel

* add get rank and world size

* add cn docs

* add index to distributed_cn

* add white list api

* add api white list

* add cn to api name

* polish details

* add rst suffix

* add py function

当前只是最基本的文档，我正在添加：

支持和不支持的语法情况
高级debug功能使用方法文档
本文档的架构也需要添加画图更加直观
对应英文文档

* update doc fix for some ops, test=develop

* udpate the doc for asin, cos, atan, test=develop

add the doc for the logic ops, add the broadcasting ops

* add functional_one_hot doc

* fix some bug

* fix some bug

* fix some bug

* fix some asc bug

* fix code bug

* fix text

* add example code

* fix bug

* fix bug

* fix bug

* fix some bug

* add InputSpec zh doc

* fix sample code

* modify declarative into to_static

* sync with 2.0 api

Add dynamic/static learning rate doc for the api2.0

* fix AdamOptimizer, test=develop, test=document_fix

* fix AdamOptimizer, test=develop, test=document_fix

* fix AdamOptimizer, test=develop, test=document_fix

* fix AdamOptimizer, test=develop, test=document_fix

* fix python code

* fix norm api cn, test=develop

* fix norm api cn, test=develop

* fix norm api cn, test=develop

* fix norm api cn, test=develop

* fix norm api cn, test=develop

* fix norm api cn, test=develop

* update the demo code and the doc of varbase.backward.

* remove the dependence of  BackwardStrategy

Co-authored-by: Nwangchaochaohu <wangchao66@baidu.com>

* add float16 dtype, test=develop

* add type for unique

* add unique doc

* add cn for set_default_dtype/get_default_dtype/scatter/matmul

* add distributed collective api_cn; test=develop

* add 1d pooling

fix the doc of dot

As the title

* api2.0, Add Bilinear doc(eng,cn), test=develop

* fix some description, test=develop

* fix some description, test=develop

* fix some description, test=develop

* fix some describtion, test=develop
Co-authored-by: NChen Weihang <chenweihang@baidu.com>

* add docs