Paddle issues

[jit] rm useless property pybind

### PR types Function optimization ### PR changes APIs ### Describe rm useless property pybind

zh794390558

[Zero-Dim] support 0D Tensor for some important api

1

### PR types New features ### PR changes APIs ### Describe [Zero-Dim] support 0D Tensor for some important api

zhwesky2010

paddle.linalg.expm API

5

请问paddle 预期什么时候实现 paddle.linalg.expm 这个api 等同于 scipy.linalg.expm 以及： torch.matrix_exp https://pytorch.org/docs/stable/generated/torch.matrix_exp.html e的矩阵次方或者动态图开放类似于 torch.autograd.Function 的功能，可以自己python定义op，不用写c再编译。

dongfangyixi

[WIP] Select Operator (do not merge)

1

This is a work in progress * Add Python API for select * Add select operator * Add unit tests for select (Fibonacci sequence) in both python and c++

cs2be

Function expansion - WiFi CSI data parsing

1

[WiFi_CSI_extend.zip](https://github.com/PaddlePaddle/Paddle/files/2513267/WiFi_CSI_extend.zip) WiFi_CSI expanding tool is provided for researchers in passive sensing domain. This tool decode WiFi CSI data to numpy arrays which can be import into paddle's data interface directly...

PeterWang12