python-numpyHow to save Numpy matrix to CSV file
import numpy as np
db = np.array([[1,2], [3,4], [5,6]])
np.savetxt('/tmp/db.csv', db, delimiter=',')ctrl + cimport numpy as npload Numpy module for Python | np.arraydeclare Numpy array (or matrix) |
.savetxtsaves specified matrix to | /tmp/db.csvpath to |
dbmatrix to save to | delimiter=','specify delimiter to match |
Usage example
import numpy as np
matrix = np.array([[1,2], [3,4], [5,6]])
np.savetxt('/tmp/db.csv', matrix, delimiter=',')
with open('/tmp/db.csv', 'r') as f:
print(f.read())
output
1.000000000000000000e+00,2.000000000000000000e+00
3.000000000000000000e+00,4.000000000000000000e+00
5.000000000000000000e+00,6.000000000000000000e+00
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