This Olympiad-style exponential problem looks simple at first — until you try solving it. Test your skills and see if you can crack it before I walk through the clever solution step-by-step. Surfers ...

Move modules into chebyfit package. Add Python wrapper for _chebyfit C extension module. Fix static analysis issues in _chebyfit.c.

The solution of the nonlinear differential equation Y″ = F(x, Y, Y′) with two-point boundary conditions is approximated by a quintic or cubic spline function y(x). The method is well suited to ...

Abstract: Multidimensional small baseline subset interferometric synthetic aperture radar (MSBAS InSAR) is a multidimensional deformation time series inversion method that integrates multiorbit SAR ...

In Central Falls, R.I., teachers are trying new strategies that move away from focusing on “key words,” the traditional, simplistic approach that often leads younger students astray CENTRAL FALLS, R.I ...

If Christmas is (alas) a time for a materialist blowout, January is often a time for rueful reflection. Should we really have bought all that soon-to-be-landfill for each other? The answer, as I have ...

Word problems in mathematics are a powerful tool for helping students make sense of and reason with mathematical concepts. Many students, however, struggle with word problems because of the various ...