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## Octave: assume() command in symbolic toolbox.

**From**: |
Constantine Frangos |

**Subject**: |
Octave: assume() command in symbolic toolbox. |

**Date**: |
Wed, 25 Jan 2017 18:53:42 +0200 (SAST) |

(1) How is the assume() command applied in order to limit
a symbolic variable w to a real interval (a, b], for example,
(-pi/2, pi/2], [0, pi], (-pi, pi], etc?
(2) The documentation for the assume() command states that it
can be used as follows:
sym X = assume (X, COND1, COND2, …)
Some of the possible values for cond1, cond2, etc seem to be
'positive', 'negative', 'integer', 'real'.
What are all the other possible values?
Thanks very much.
Regards,
Constantine Frangos.

**Octave: assume() command in symbolic toolbox.**,
*Constantine Frangos* **<=**