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.

Word problems are often described as “math stories” and can put complex mathematical operations into a more approachable form for students. But students often struggle when they see a combination of ...

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 ...

Emily Sharp and Kunal Nabar collaborate on a puzzle that’s greater than the sum of its parts. By Caitlin Lovinger Jump to: Tricky Clues | Today’s Theme SUNDAY PUZZLE — Will Shortz, in his print ...

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 ...

I hold my planner like a life book. It's dazzled with color-coded words, stickers, notes, symbols, and doodles. One might think it's all for fun. In truth, it's all quite necessary. It's my executive ...