ML NHYP: Difference between revisions

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{{TAGDEF|ML_NHYP|[integer]|4}}
{{TAGDEF|ML_NHYP|[integer]|4}}


Description: Polynomial power of the kernel.
Description: This tag specifies the polynomial power <math> \zeta</math> of the kernel within the machine learning force field method (see [[Machine learning force field: Theory#Potential energy fitting|this section]]).
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This tag specifies the power <math> \zeta</math> of the polynomial kernel
The value of {{TAG|ML_NHYP}} must be an integer number > 1.
 
<math>
K \left(\mathbf{X}_{i},\mathbf{X}_{i_\mathrm{B}}\right) = \left[ \beta \mathbf{X}_{i}^{(2)} \cdot \mathbf{X}_{i_{\mathrm{B}}}^{(2)} + (1-\beta)    \mathbf{\hat{X}}_{i}^{(3)} \cdot \mathbf{\hat{X}}_{i_{\mathrm{B}}}^{(3)} \right]^{\zeta}.  
</math>


== Related Tags and Sections ==
== Related Tags and Sections ==

Revision as of 20:18, 11 October 2021

ML_NHYP = [integer]
Default: ML_NHYP = 4 

Description: This tag specifies the polynomial power of the kernel within the machine learning force field method (see this section).


The value of ML_NHYP must be an integer number > 1.

Related Tags and Sections

ML_RCUT1, ML_SION1, ML_RCUT2, ML_SION2

Examples that use this tag