MATLAB Function Reference

tanh

Hyperbolic tangent

Syntax

• Y = tanh(X)
  

Description

The tanh function operates element-wise on arrays. The function's domains and ranges include complex values. All angles are in radians.

Y = tanh(X) returns the hyperbolic tangent of each element of X.

Examples

Graph the hyperbolic tangent function over the domain .

• x = -5:0.01:5; 
  plot(x,tanh(x)), grid on
  
  
  

Definition

The hyperbolic tangent can be defined as

Algorithm

tanh uses FDLIBM, which was developed at SunSoft, a Sun Microsystems, Inc. business, by Kwok C. Ng, and others. For information about FDLIBM, see http://www.netlib.org.

See Also

atan, atan2, tan

tand

tar

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