Tanh

block Tanh "Output the hyperbolic tangent of the input"
    extends Interfaces.SISO;
equation
    y = Modelica.Math.tanh(u);

    annotation (
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                preserveAspectRatio = true,
                extent = {
                    {-100, -100}, 
                    {100, 100}}),
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                    points = {
                        {0, -90}, 
                        {0, 84}},
                    color = {192, 192, 192}), 
                Line(
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                        {11.7, 42}, 
                        {16.5, 54.2}, 
                        {21.3, 63.1}, 
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                    fillPattern = FillPattern.Solid), 
                Text(
                    extent = {
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                    lineColor = {192, 192, 192},
                    textString = "tanh"), 
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                    fillColor = {192, 192, 192},
                    fillPattern = FillPattern.Solid)}),
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                preserveAspectRatio = true,
                extent = {
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            graphics = {
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                    points = {
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                    textString = "y"), 
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                    points = {
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                    fillPattern = FillPattern.Solid), 
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                        {-80, -80}, 
                        {-47.8, -78.7}, 
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                        {-17.3, -55.9}, 
                        {-12.5, -44.3}, 
                        {-7.64, -29.2}, 
                        {-1.21, -4.82}, 
                        {6.83, 26.3}, 
                        {11.7, 42}, 
                        {16.5, 54.2}, 
                        {21.3, 63.1}, 
                        {26.9, 69.9}, 
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                    textString = "-1",
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                    extent = {
                        {72, -8}, 
                        {98, -26}},
                    lineColor = {160, 160, 164},
                    textString = "u")}),
        Documentation(info = "<html>\n<p>\nThis blocks computes the output <strong>y</strong> as the\n<em>hyperbolic tangent</em> of the input <strong>u</strong>:\n</p>\n<pre>\n    y = <strong>tanh</strong>( u );\n</pre>\n\n<p>\n<img src=\"modelica://Modelica/Resources/Images/Math/tanh.png\"\n     alt=\"tanh.png\">\n</p>\n\n</html>"));
end Tanh;