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<refentry xml:id="function.fann-set-activation-steepness-layer" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">

<refnamediv>

<refname>fann_set_activation_steepness_layer</refname>

<refpurpose>Sets the activation steepness for all of the neurons in the supplied layer number</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>bool</type><methodname>fann_set_activation_steepness_layer</methodname>

<methodparam><type>resource</type><parameter>ann</parameter></methodparam>

<methodparam><type>float</type><parameter>activation_steepness</parameter></methodparam>

<methodparam><type>int</type><parameter>layer</parameter></methodparam>

</methodsynopsis>

<para>

Set the activation steepness for all of the neurons in layer number <literal>layer</literal>,

counting the input layer as layer 0.

</para>

<para>

It is not possible to set activation steepness for the neurons in the input layer.

</para>

</refsect1>

<refsect1 role="parameters">

&reftitle.parameters;

<variablelist>

<varlistentry>

<term><parameter>ann</parameter></term>

<listitem>

&fann.ann.description;

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>activation_steepness</parameter></term>

<listitem>

<para>

The activation steepness.

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>layer</parameter></term>

<listitem>

<para>

Layer number.

</para>

</listitem>

</varlistentry>

</variablelist>

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

&fann.return.bool;

</refsect1>

<refsect1 role="seealso">

&reftitle.seealso;

<para>

<simplelist>

<member><function>fann_set_activation_steepness</function></member>

<member><function>fann_set_activation_steepness_hidden</function></member>

<member><function>fann_set_activation_steepness_output</function></member>

<member><function>fann_get_activation_steepness</function></member>

<member><function>fann_set_activation_function</function></member>

</simplelist>

</para>

</refsect1>

</refentry>

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