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def get_balloon_parameters(self):
    """get balloon model parameters."""
    alpha = 0.32
    E0 = 0.4
    eps = 0.5

    par = {
        "eps": eps,
        "E0": 0.4,
        "V0": 4.0,

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#include <iostream>
#include <vector>
#include <immintrin.h> // For SIMD intrinsics (optional for AVX/AVX2)

#include <string>
#include <random>
#include <assert.h>
#include <algorithm>
#include <sys/stat.h>
#include <unistd.h>

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# Function to convert musical notes to numerical values
def convert_notes_to_numbers(notes):
    '''
    Convert characters to numbers, keeping the punctuation unchanged

    Parameters
    ----------
    notes: str - the string of notes to convert

    Returns

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import numpy as np
x = np.fromfile("X.bin", dtype=float, count=-1)
# dtype: float for double, 
#        np.uint32 for integer.

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// open file as binary:
std::ofstream oX((path + "/X.bin").c_str(), std::ios::out | std::ios::binary);
// write a vector into the file
oX.write((char *)&x[0], x.size() * sizeof x[0]);
// close the file
oX.close();