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Copy file name to clipboardExpand all lines: examples/README.md
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### Notebooks
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* Harmonic bias restricting a particle in space: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/Harmonic_Bias.ipynb)
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* Umbella integration of a particle in an external potential: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/Umbrella_Integration.ipynb)
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* Artificial neural networks sampling of the dihedral angle of Butane: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/ann/Butane_ANN.ipynb)
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* Adaptive force-biasing sampling of the dihedral angle of Butane using neural networks: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/Butane_FUNN.ipynb)
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* Harmonic bias restricting a particle in space: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/harmonic_bias/Harmonic_Bias.ipynb)
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* Umbella integration of a particle in an external potential: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/umbrella_integration/Umbrella_Integration.ipynb)
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* Artificial neural networks sampling of the dihedral angle of butane: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/ann/Butane_ANN.ipynb)
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* Adaptive force-biasing sampling of the dihedral angle of butane using neural networks: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/funn/Butane_FUNN.ipynb)
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* Combined force-frequency sampling of the dihedral angle of butane: [](https://colab.research.google.com/github/SSAGESLabs/PySAGES/blob/main/examples/hoomd-blue/cff/Butane_CFF.ipynb)
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### Script examples
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* Harmonic bias restricting a particle in space: [harmonic_bias](hoomd-blue/harmonic_bias)
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* Umbella integration of a particle in an external potential: [umbrella_integration](hoomd-blue/umbrella_integration)
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* Artificial neural networks sampling of the dihedral angle of butane: [ann](hoomd-blue/ann/butane_ann.py)
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* Adaptive force-biasing sampling of the dihedral angle of butane using neural networks: [funn](hoomd-blue/funn/butane.py)
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* Combined force-frequency sampling of the dihedral angle of butane: [cff](hoomd-blue/cff/butane.py)
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* Metadynamics sampling of the dihedral angle of butane: [metadynamics](hoomd-blue/metad/butane.py)
Copy file name to clipboardExpand all lines: examples/hoomd-blue/cff/Butane_CFF.md
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pip install -q .&> /dev/null
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```
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<!-- #region id="KBFVcG1FoeMq" -->
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# CFF-biased simulations
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<!-- #endregion -->
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```bash id="ppTzMmyyobHB"
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mkdir /content/cff
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cd /content/cff
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```
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<!-- #region id="KBFVcG1FoeMq" -->
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# CFF-biased simulations
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<!-- #endregion -->
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<!-- #region id="0W2ukJuuojAl" -->
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CFF gradually learns both the free energy and its gradient from a discrete estimate of the generalized mean forces (based on the same algorithm as the ABF method), and frequency of visits to sites in phase space. It employs a couple of neural networks to provide a continuous approximation to the free energy.
Copy file name to clipboardExpand all lines: examples/hoomd-blue/funn/Butane_FUNN.md
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pip install -q .&> /dev/null
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```
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<!-- #region id="KBFVcG1FoeMq" -->
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# FUNN-biased simulations
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<!-- #endregion -->
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```bash id="ppTzMmyyobHB"
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mkdir /content/funn
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cd /content/funn
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```
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<!-- #region id="KBFVcG1FoeMq" -->
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# FUNN-biased simulations
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<!-- #endregion -->
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<!-- #region id="0W2ukJuuojAl" -->
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FUNN gradually learns the free energy gradient from a discrete estimate based on the same algorithm as the ABF method, but employs a neural network to provide a continuous approximation to it.
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