Introduction Perinatal depression in low- and middle-income countries is a global health concern. Interventions to support ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The math behind even the simplest ocean waves is notoriously uncooperative. A team of Italian mathematicians has made major ...

Ask the publishers to restore access to 500,000+ books. The Internet Archive keeps the record straight by recording government websites, news publications, historical documents, and more. If you find ...

The table below comprises the names of units which are part of the latest syllabus for the 2025 exams. These chapters are intact with minor additions. Discovery of Electron, Proton, and Neutron, ...

Abstract: Nonlinear equation systems may have multiple optimal solutions. The main task of solving nonlinear equation systems is to simultaneously locate these optimal solutions in a single run. When ...

Abstract: We considered the nonlinear programming problems with interval grey number in the objective function when the distribution of grey number is known, and when it is unknown, according to ...