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<div class="section" id="module-pymatgen.analysis.chemenv.utils.func_utils">
<span id="pymatgen-analysis-chemenv-utils-func-utils-module"></span><h1>pymatgen.analysis.chemenv.utils.func_utils module<a class="headerlink" href="#module-pymatgen.analysis.chemenv.utils.func_utils" title="Permalink to this headline">¶</a></h1>
<p>This module contains some utility functions and classes that are used in the chemenv package.</p>
<dl class="py class">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction">
<em class="property">class </em><code class="sig-name descname">AbstractRatioFunction</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">function</span></em>, <em class="sig-param"><span class="n">options_dict</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L31-L100"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<dl class="py attribute">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.ALLOWED_FUNCTIONS">
<code class="sig-name descname">ALLOWED_FUNCTIONS</code><em class="property">: Dict[str, list]</em><em class="property"> = {}</em><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.ALLOWED_FUNCTIONS" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.evaluate">
<code class="sig-name descname">evaluate</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">value</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L95-L96"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.evaluate" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.from_dict">
<em class="property">classmethod </em><code class="sig-name descname">from_dict</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">dd</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L98-L100"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.from_dict" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.setup_parameters">
<code class="sig-name descname">setup_parameters</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">options_dict</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L44-L93"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction.setup_parameters" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction">
<em class="property">class </em><code class="sig-name descname">CSMFiniteRatioFunction</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">function</span></em>, <em class="sig-param"><span class="n">options_dict</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L144-L190"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction" title="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction"><code class="xref py py-class docutils literal notranslate"><span class="pre">pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction</span></code></a></p>
<dl class="py attribute">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.ALLOWED_FUNCTIONS">
<code class="sig-name descname">ALLOWED_FUNCTIONS</code><em class="property"> = {'power2_decreasing_exp': ['max_csm', 'alpha'], 'smootherstep': ['lower_csm', 'upper_csm'], 'smoothstep': ['lower_csm', 'upper_csm']}</em><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.ALLOWED_FUNCTIONS" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.fractions">
<code class="sig-name descname">fractions</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L170-L177"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.fractions" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.mean_estimator">
<code class="sig-name descname">mean_estimator</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L179-L188"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.mean_estimator" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.power2_decreasing_exp">
<code class="sig-name descname">power2_decreasing_exp</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L151-L154"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.power2_decreasing_exp" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.ratios">
<code class="sig-name descname">ratios</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L170-L177"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.ratios" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.smootherstep">
<code class="sig-name descname">smootherstep</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L156-L161"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.smootherstep" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.smoothstep">
<code class="sig-name descname">smoothstep</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L163-L168"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMFiniteRatioFunction.smoothstep" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction">
<em class="property">class </em><code class="sig-name descname">CSMInfiniteRatioFunction</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">function</span></em>, <em class="sig-param"><span class="n">options_dict</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L193-L239"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction" title="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction"><code class="xref py py-class docutils literal notranslate"><span class="pre">pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction</span></code></a></p>
<dl class="py attribute">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.ALLOWED_FUNCTIONS">
<code class="sig-name descname">ALLOWED_FUNCTIONS</code><em class="property"> = {'power2_inverse_decreasing': ['max_csm'], 'power2_inverse_power2_decreasing': ['max_csm']}</em><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.ALLOWED_FUNCTIONS" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.fractions">
<code class="sig-name descname">fractions</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L207-L226"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.fractions" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.mean_estimator">
<code class="sig-name descname">mean_estimator</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L228-L237"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.mean_estimator" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.power2_inverse_decreasing">
<code class="sig-name descname">power2_inverse_decreasing</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L199-L200"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.power2_inverse_decreasing" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.power2_inverse_power2_decreasing">
<code class="sig-name descname">power2_inverse_power2_decreasing</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L202-L205"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.power2_inverse_power2_decreasing" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.ratios">
<code class="sig-name descname">ratios</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L207-L226"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.CSMInfiniteRatioFunction.ratios" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.DeltaCSMRatioFunction">
<em class="property">class </em><code class="sig-name descname">DeltaCSMRatioFunction</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">function</span></em>, <em class="sig-param"><span class="n">options_dict</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L242-L248"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.DeltaCSMRatioFunction" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction" title="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction"><code class="xref py py-class docutils literal notranslate"><span class="pre">pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction</span></code></a></p>
<dl class="py attribute">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.DeltaCSMRatioFunction.ALLOWED_FUNCTIONS">
<code class="sig-name descname">ALLOWED_FUNCTIONS</code><em class="property"> = {'smootherstep': ['delta_csm_min', 'delta_csm_max']}</em><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.DeltaCSMRatioFunction.ALLOWED_FUNCTIONS" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.DeltaCSMRatioFunction.smootherstep">
<code class="sig-name descname">smootherstep</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L245-L248"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.DeltaCSMRatioFunction.smootherstep" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction">
<em class="property">class </em><code class="sig-name descname">RatioFunction</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">function</span></em>, <em class="sig-param"><span class="n">options_dict</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L103-L141"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction" title="pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction"><code class="xref py py-class docutils literal notranslate"><span class="pre">pymatgen.analysis.chemenv.utils.func_utils.AbstractRatioFunction</span></code></a></p>
<dl class="py attribute">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.ALLOWED_FUNCTIONS">
<code class="sig-name descname">ALLOWED_FUNCTIONS</code><em class="property"> = {'inverse_smootherstep': ['lower', 'upper'], 'inverse_smoothstep': ['lower', 'upper'], 'power2_decreasing_exp': ['max', 'alpha'], 'power2_inverse_decreasing': ['max'], 'power2_inverse_power2_decreasing': ['max'], 'smootherstep': ['lower', 'upper'], 'smoothstep': ['lower', 'upper']}</em><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.ALLOWED_FUNCTIONS" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.inverse_smootherstep">
<code class="sig-name descname">inverse_smootherstep</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L127-L130"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.inverse_smootherstep" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.inverse_smoothstep">
<code class="sig-name descname">inverse_smoothstep</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L132-L135"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.inverse_smoothstep" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.power2_decreasing_exp">
<code class="sig-name descname">power2_decreasing_exp</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L114-L117"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.power2_decreasing_exp" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.power2_inverse_decreasing">
<code class="sig-name descname">power2_inverse_decreasing</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L137-L138"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.power2_inverse_decreasing" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.power2_inverse_power2_decreasing">
<code class="sig-name descname">power2_inverse_power2_decreasing</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L140-L141"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.power2_inverse_power2_decreasing" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.smootherstep">
<code class="sig-name descname">smootherstep</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L119-L122"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.smootherstep" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.smoothstep">
<code class="sig-name descname">smoothstep</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">vals</span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/materialsproject/pymatgen/blob/v2021.1.28/pymatgen/analysis/chemenv/utils/func_utils.py#L124-L125"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pymatgen.analysis.chemenv.utils.func_utils.RatioFunction.smoothstep" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
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