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Add row values as new columns in a dataframe

I have a dataframe like follows: I want to convert it to something like: or The values in B which are repeated are column names whose values are in C column. I want to add all or some of them as the columns of the dataframe In fact the dataset is created by flattening a tree, there are more columns

How to perform addition and multiplication in F_{2^8}

I want to perform addition and multiplication in F_{2^8} I currently have this code which seems to work for add but doesn’t work for multiply; the issue seems to be that when I modulo by 100011011 (which represents x^8 + x^4 + x^3 + x + 1), it doesn’t seem to do it. Another idea would be to use nu…

Compute time difference in pandas based on conditions [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I have a following problem. My data has this structure: I would like to calculate difference …

mypy error on same line regardless of code content

I’m getting a mypy syntax error on line 36 in every single one of my files. If the file is shorter than 36 lines it just highlights the last line. The error is invariably the same: invalid syntax mypy(error) Apparently this issue may have happened before, but without a clear solution. Is this a known bu…

Store slice of 3D Numpy Array as a variable

I’ve got various 3D arrays that I’m viewing 2D slices of, along either the X, Y or Z axis. To simplify my code, I would like to have one location of declaring the slice such as and choose which view to run in my script. Then the rest of my code can apply the myview slice when visualizing, There&#8…