Quaternion Function Reference

isreal

Determine whether quaternion array is real
(Quaternion and octonion overloadings of standard MATLAB® function)

Syntax

TF = isreal(X)

Description

isreal(X) returns logical 1 (true) if all the elements of the quaternion array X are real, that is have zero imaginary parts.

See Also

MATLAB® function: isreal

References

  1. Ward, J. P., "Quaternions and Cayley numbers", Kluwer, 1997.

© 2008-2013 Stephen J. Sangwine and Nicolas Le Bihan

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