Analytica is a web app to solve systems of linear equations using different algebraic and numerical methods. Not only showing the final solution, but all the steps involved to get that solution.

Abstract: For a weakly nonlinear system described by Volterra series, if the nonlinear differential equation (NDE) model of the system is unique, the nonlinear auto-regressive with exogenous input ...

2. Scikit-learn Linear Regression The standard sklearn.linear_model.LinearRegression class is used as a benchmark. This model uses a highly efficient closed-form solution (like the Normal Equation or ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at ...

Australian Institute of Bioengineering and Nanotechnology, School of Molecular and Microbial Sciences, University of Queensland, Brisbane QLD 4072, Australia, and Department of Colour and Polymer ...

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This ...

Correspondence to Dr Sahrai Saeed, Department of Heart Disease, Haukeland University Hospital, Bergen 5021, Norway; sahrai.saeed{at}helse-bergen.no Objective To assess the safety and tolerability of ...

Based at the University of Bristol, Children of the 90s, also known as Avon Longitudinal Study of Parents and Children (ALSPAC), is a world-leading birth cohort study. Between April 1991 and December ...