National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation. A computational model can be used to make predictions of the ...

Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. The application of statistical methods extracts information from ...

This widely used method of calculating returns considers a portfolio's cash flows Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Market reports are industry specific. They may give specific information about an industry as a whole. An example of information that could be found in a market report would be ‘46 per cent of adults ...

Primary research can be carried out in a number of different ways, for example surveys, questionnaires, focus groups or observations. A questionnaire is a set of questions to find out customers’ ...

Abstract: Among six-phase motors, those featuring symmetrical six-phase motor with a single neutral point (S6N1) offer enhanced fault tolerance. However, a single neutral point lowers the dc-link ...

Abstract: Rogowski coils are widely used instruments for current measurement. The mutual inductance between a primary conductor and a Rogowski coil varies with the position of the primary conductor.