The question is: consider that I have a function, which is by the nature of the problem should return a heterogeneous result. Is there any way, approach, or design ideas, how to build a workflow that can work with these functions and still be performant?  As a very simplified example to illustrate a problem, consider the problem of finding roots of a quadratic equation. We have a polynomial of the second degree, which is defined by three variables, a, b, c.   f(x) = a x^2 + b x + c  Solution of ...

R – стабильный, удобный, имеет прекрасную экосистему. Один из признанных лидеров в области анализа и визуализации данных и, наверное, лучший инструмент для стати...