Source code for lv_sens.data

import numpy as np

from lv_sens.types import NDArray_f64




def noisy_data(x: NDArray_f64, std_dev: float) -> NDArray_f64:
    """Generate noisy data.

    Args:
        x: state trajectory
        std_dev: standard deviation for Gaussian noise

    Returns:
        noisy data trajectory
    """
    xdata = x + std_dev * np.random.standard_normal(x.shape)
    xdata[:, 0] = x[:, 0]
    return xdata