convert_mat_to_npz.py

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import sys
import numpy as np
from scipy.io import loadmat


def main(mat_file, npz_file):
    # Load the .mat file
    data = loadmat(mat_file)

    # Extract 'coeff' and 'sol'
    coeff = data["coeff"]
    sol = data["sol"]

    # Save to .npz file
    np.savez(npz_file, coeff=coeff, sol=sol)
    print(f"Saved 'coeff' and 'sol' to {npz_file}")


if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: python convert_mat_to_npz.py input.mat")
        sys.exit(1)
    mat_file = sys.argv[1]
    npz_file = mat_file.replace(".mat", ".npz")
    main(mat_file, npz_file)