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Python bindings for ArrayFire: A general purpose GPU library.

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Hi, I recently installed arrayfire python bindings. It passes all the tests and it launches few of the examples. However I got the following error when I tried to launch...

It seems there is a missing DLL problem that prevents Arrayfire from running on a new installed Windows machine. The Python (3.7.1) is installed through Anaconda, and the Arrayfire binary...

When I try to switch backend using `af.set_backend('cuda')`, I got error like: ![report](https://user-images.githubusercontent.com/18741082/51801038-71f55e00-2273-11e9-8007-0b17650f1ada.PNG) It seems that I do not have cuda devices as candiated backend although I have 8 gpus...

`arrayfire.statistics.cov` in version 3.5.20170817 of the Python bindings calls `af_cov_all` via ctypes; however, there doesn't appear to be any such function in the arrayfire library source (at least as of...

Running bench_cg. py from the examples, gives me this error: ``` python bench_cg.py ArrayFire v3.6.2 (CUDA, 64-bit Linux, build dc38ef1) Platform: CUDA Toolkit 10, Driver: 410.79 [0] Tesla K80, 11442...

I am using arrayfire 3.6 on windows,the code is as below: ![default](https://user-images.githubusercontent.com/34807360/46515476-9ed1cf80-c896-11e8-99f8-195d532dc717.PNG) ![2](https://user-images.githubusercontent.com/34807360/46515477-a3968380-c896-11e8-9f6a-91a73db3b9fb.PNG) we can see the (-5)**2 is 24 which is obvious wrong.

Directories to port: - [x] benchmarks - [ ] computer_vision - [x] financial - [ ] getting_started - [x] graphics - [x] helloworld - [ ] image_processing - [ ]...

examples

Hi, I am using anaconda on linux, I have been previously using arrayfire on windows fine. I installed latest arrayfire on the Linux OS.. The error was ``` ERROR:root:Traceback (most...

As seen here, the results can be order of magnitudes off if the scaling happens upfront. https://gist.github.com/pavanky/dc64fc83e0fa298e942a3e0ca07ccd15

What does the option 'is_device' do in an arrayfire.Array? I can't find an entry in the documentation and would like to understand.