I have a 2d matrix of width 256 and height 128.
I also have some theoretical function: 127.5 * cos(pi * row_index) + col_index
I want to populate the cells of the matrix using this function so that the row_index/col_index pull from each cell as it is computed.
Ideally I need to use functions that can run against each cell in a matrix and also have access to the following variables:
- Current Column Index
- Current Row Index
- Current Cell Value (I'm not using this in the earlier example, but I'd like to be able to use it in the future)
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