Uses and abuses of mathematics in biology.

مقایسه‌ی رفتارهای جنسی، رفتارهای جنسی پرخطر و رفتارهای آسیب به خود در سوء مصرف کنندگان مواد مخدر با مواد محرک

THE HYPOTHESIS, This survey compares the sexual behavior, the high risk sexual behavior and self-harm behavior of narcotic substance users (opium, crack, and heroin) with stimulants substance uses (ice, cocaine). METHOD, This survey is comparative-causative post test. The sample consisted of 265 substance abusers as intact subjects from different camps in Tehran who filled he sexual behavior q...

gpALIGNER: A Fast Algorithm for Global Pairwise Alignment of DNA Sequences

Bioinformatics, through the sequencing of the full genomes for many species, is increasingly relying on efficient global alignment tools exhibiting both high sensitivity and specificity. Many computational algorithms have been applied for solving the sequence alignment problem. Dynamic programming, statistical methods, approximation and heuristic algorithms are the most common methods appli...

Ethnobotanical Applications and Their Correspondence with Phylogeny in Apiaceae-Apioideae

The Apiaceae family includes some of the most known medicinal, food and spice species in the world some of which have been used by humans since antiquity. Local people in different regions use many species of the family but the information regarding their uses is scattered. Traditionally used species are good candidates for bioprospecting. Combining traditional uses with phylogenetic data helps...

Measuring Factor Exposures: Uses and Abuses

Fuzzy Efficiency Measures in DEA: A New Approach based on Fuzzy DEA Approach with Double Frontiers

Data envelopment analysis (DEA) is a method to measure relative efficiency of a set of decision-making units (DMUs) which uses multiple inputs and produces multiple outputs. In the conventional DEA, crisp inputs and outputs are fundamentally necessary. But the observed values of inputs and outputs in real-world problems are sometimes imprecise. Thus, performance measurement often needs to be do...