.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "intro/scipy/auto_examples/plot_solve_ivp_damped_spring_mass.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end <sphx_glr_download_intro_scipy_auto_examples_plot_solve_ivp_damped_spring_mass.py>` to download the full example code. .. rst-class:: sphx-glr-example-title .. _sphx_glr_intro_scipy_auto_examples_plot_solve_ivp_damped_spring_mass.py: ============================================ Integrate the Damped spring-mass oscillator ============================================ .. GENERATED FROM PYTHON SOURCE LINES 8-37 .. image-sg:: /intro/scipy/auto_examples/images/sphx_glr_plot_solve_ivp_damped_spring_mass_001.png :alt: plot solve ivp damped spring mass :srcset: /intro/scipy/auto_examples/images/sphx_glr_plot_solve_ivp_damped_spring_mass_001.png :class: sphx-glr-single-img .. code-block:: Python import numpy as np import scipy as sp import matplotlib.pyplot as plt m = 0.5 # kg k = 4 # N/m c = 0.4 # N s/m zeta = c / (2 * m * np.sqrt(k / m)) omega = np.sqrt(k / m) def f(t, z, zeta, omega): return (z[1], -zeta * omega * z[1] - omega**2 * z[0]) t_span = (0, 10) t_eval = np.linspace(*t_span, 100) z0 = [1, 0] res = sp.integrate.solve_ivp( f, t_span, z0, t_eval=t_eval, args=(zeta, omega), method="LSODA" ) plt.figure(figsize=(4, 3)) plt.plot(res.t, res.y[0], label="y") plt.plot(res.t, res.y[1], label="dy/dt") plt.legend(loc="best") plt.show() .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 0.049 seconds) .. _sphx_glr_download_intro_scipy_auto_examples_plot_solve_ivp_damped_spring_mass.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: plot_solve_ivp_damped_spring_mass.ipynb <plot_solve_ivp_damped_spring_mass.ipynb>` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: plot_solve_ivp_damped_spring_mass.py <plot_solve_ivp_damped_spring_mass.py>` .. container:: sphx-glr-download sphx-glr-download-zip :download:`Download zipped: plot_solve_ivp_damped_spring_mass.zip <plot_solve_ivp_damped_spring_mass.zip>` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_