.. only:: html .. note:: :class: sphx-glr-download-link-note Click :ref:`here ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_auto_probabilistic_modeling_stochastic_processes_plot_gaussian_process_covariance.py: Create a gaussian process from a cov. model =========================================== In this example we are going to build a gaussian process from its covariance model. .. code-block:: default from __future__ import print_function import openturns as ot import openturns.viewer as viewer from matplotlib import pylab as plt ot.Log.Show(ot.Log.NONE) define a covariance model .. code-block:: default defaultDimension = 1 # Amplitude values amplitude = [1.0]*defaultDimension # Scale values scale = [1.0]*defaultDimension # Covariance model myModel = ot.AbsoluteExponential(scale, amplitude) define a mesh .. code-block:: default tmin = 0.0 step = 0.1 n = 11 myTimeGrid = ot.RegularGrid(tmin, step, n) create the process .. code-block:: default process = ot.GaussianProcess(myModel, myTimeGrid) print(process) .. rst-class:: sphx-glr-script-out Out: .. code-block:: none GaussianProcess(trend=[x0]->[0.0], covariance=AbsoluteExponential(scale=[1], amplitude=[1])) draw a sample .. code-block:: default sample = process.getSample(6) graph = sample.drawMarginal(0) view = viewer.View(graph) plt.show() .. image:: /auto_probabilistic_modeling/stochastic_processes/images/sphx_glr_plot_gaussian_process_covariance_001.png :alt: Unnamed - 0 marginal :class: sphx-glr-single-img .. rst-class:: sphx-glr-timing **Total running time of the script:** ( 0 minutes 0.069 seconds) .. _sphx_glr_download_auto_probabilistic_modeling_stochastic_processes_plot_gaussian_process_covariance.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: plot_gaussian_process_covariance.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: plot_gaussian_process_covariance.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_