boolean operator उदाहरण वाक्य

It's a very sophisticated search engine, with Boolean operators ( which means that you can search the material using keywords separated by terms such as " and,"
Schaefer's dichotomy theorem states that, for any restriction to Boolean operators that can be used to form these subformulae, the corresponding satisfiability problem is in P or NP-complete.
Hence, on numeric values all the usual unary and binary arithmetic, exponential, and trigonometric operations are available in a straightforward manner, plus the standard set of Boolean operators.
The MMM model tries to soften the Boolean operators by considering the query-document similarity to be a linear combination of the " min " and " max " document weights.
All databases indexed by Entrez can be searched via a single query string, supporting boolean operators and search term tags to limit parts of the search statement to particular fields.

IARP translates this initial search formulation and automatically adds field names, Boolean operators, and enhancing the search formulation significantly, in particular by routinely combining ( using the OR operator ) text words.
The search engine also lacks the NOT Boolean operator : " Martin ( AND ) Luther " will work, but " Martin ( AND ) Luther ( NOT ) King " won't.
For example, a requirement that user identifiers must be no greater than 9999 would be expressed as follows ( where is the less than or equal to Boolean operator on natural numbers ):
In all versions of Python, boolean operators treat zero values or empty values such as " ", 0, None, 0.0, [ ], and { } as false, while in general treating non-empty, non-zero values as true.
In an age where you could not simply enter your query into a search bar complete with Boolean operators the task of finding material that pertained to your topic would have been difficult at the least.