I need to rotate the array of values to 90 degree around right bottom corner, that is all values on Ox for example would turn to oY.
[![enter image description here](https://i.stack.imgur.com/6oaUl.png)](https://i.stack.imgur.com/6oaUl.png)
I know it might be easy to do, but I couldn't manage make it so far neither with `np.rot90()` nor with other transformations