My algorithm for calculating matrix determinants isn't working as it should, so I'm turning to Ars for some maths help.<BR><BR><BR>So...<BR>I'm trying to find the ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

The most accurate estimation of transition probabilities for a multi-state model of health status requires longitudinal data. However, for many countries such data are usually not available. Instead, ...