Numpy matrix sum column values

sure! here is a tutorial on how to use numpy to sum the values in each column of a matrix in python:

1. first, you need to import the numpy library:

2. next, create a 2d numpy array (matrix) that you want to work with. for example:

3. to sum the values in each column of the matrix, you can use the `sum()` function along with the `axis` parameter set to 0, which specifies that the sum should be calculated along the columns. here is the code snippet to calculate the sum of each column:

4. finally, you can print the resulting column sums:

the output will be:

this means that the sum of the first column is 12, the sum of the second column is 15, and the sum of the third column is 18.

here is the complete code example:

i hope this tutorial helps you understand how to use numpy to sum the values in each column of a matrix in python. let me know if you have any more questions!

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