export matrix to ascii file in python

To export a matrix to an ASCII file in Python, you can use the numpy.savetxt() function. Here's an example:

main.py
import numpy as np

# Create a matrix
matrix = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])

# Export matrix to ASCII file
np.savetxt('matrix.txt', matrix)
155 chars
8 lines

In this example, we import the numpy library and create a matrix using the np.array() function. Then, we use the np.savetxt() function to save the matrix to the file 'matrix.txt'. The default delimiter is a space, but you can specify a different delimiter using the delimiter parameter. For example, to use a comma as the delimiter, you can modify the np.savetxt() line like this:

main.py
np.savetxt('matrix.txt', matrix, delimiter=',')
48 chars
2 lines

This will save the matrix with commas separating the values in the file.

Remember to have numpy installed in order to use the np module and the savetxt() function.