CHARLOTTE, N.C. (AP) — Americans are losing a vast array of people and programs dedicated to keeping them healthy. Gone are specialists who were confronting a measles outbreak in Ohio, workers who ...

We are honoring the Top 10 winners of our Student Open Letter Contest by publishing their entries. This one is by Fariza Fazyl, age 17. By The Learning Network Alexander M., 16, writes about his ...

In this final installment of the paper we consider the case where the signals or the messages or both are continuously variable, in contrast with the discrete nature assumed until now. To a ...

Solve systems of linear equations using Gaussian elimination; Handles inconsistent and infinite solution systems; Random matrix generation with custom size and value range; Manual matrix input with ...

We list the known methods of solution of the Y–B equation, and also various applications of this equation to the theory of completely integrable quantum and classical systems. A generalization of the ...

It will be shown that it is not necessary to solve linear system of equations to find the intersection of two lines in the case of E2 or the intersection of three planes in the case of E3. Plücker ...