semiperimeter

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semiperimeter

[‚sem·i·pə′rim·əd·ər]
(mathematics)
One-half the length of a closed curve.
References in periodicals archive ?
n] of L-convex polyominoes having semi-perimeter equal to n + 2 satisfies the recurrence relation
Moreover, it is well known [11] that the number of parallelogram polyominoes with semi-perimeter n [greater than or equal to] 2 is equal to the (n - 1)th Catalan number, where Catalan numbers are defined by
Using such a property, we will be able to enumerate k-parallelogram polyominoes according to the semi-perimeter, for all k.
The semi-perimeter of P is obtained as the sum [absolute value of [[alpha].