Hyperbolic Routines

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sinh

public static sinh($x) : CArray

Hyperbolic sine, element-wise.

Parameters

CArray|Array $x Input array.

Returns

CArray The hyperbolic sine of each element of $x.

Examples

Example 1

echo CArray::sinh(0);

0.000000

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cosh

public static cosh($x) : CArray

Compute hyperbolic cosine element-wise.

Parameters

CArray|Array $x Input array.

Returns

CArray The hyperbolic cosine of each element of $x.

Examples

Example 1

echo CArray::cosh([1, -1, 0]);

[ 1.54308063  1.54308063  1.00000000 ]

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tanh

public static tanh($x) : CArray

Compute hyperbolic tangent element-wise.

Parameters

CArray|Array $x Input array.

Returns

CArray The hyperbolic tangent of each element of $x.

Examples

Example 1

echo CArray::tanh([-1, 0, 1]);

[ -0.76159416   0.00000000   0.76159416 ]