Abstract: Orbit transfer problem plays an essential role in space missions. The sensitivity matrix, describing the first-order relationship between the piecewise constant thrust (where thrust ...

Walk into almost any gym, and you’ll likely find the elliptical machine buzzing with activity, a testament to its popularity in both home and commercial fitness spaces for some very good reasons. 1. * ...

Running’s great. The fresh air, the freedom, the simplicity. You can’t beat it. But to improve as a runner, you need to do more than just run. That’s where cross-training comes in. It can help you to ...

If you have arthritis, exercise can reduce joint pain and stiffness as well as improve strength and balance. But what type of exercise is best? An elliptical trainer is a good option. This minimal, ...

I am following your excellent bicycle programme & am in week 4 of the first beginner course (20 km in 10 weeks). However, I am using an elliptical trainer rather than a bike. Is it okay for me to ...

I do cardio five times a week on my elliptical trainer at home with weight training three days included, is this sustainable to burn the fat especially around the bum area? Answer::Hi there It may be ...

If you don’t really enjoy jogging or running on a treadmill or even outside, then using an elliptical machine might be another option to help you maintain a more active lifestyle and avoid being ...

Abstract: We combine Tyler's robust estimator of the dispersion matrix with nonlinear shrinkage. This approach delivers a simple and fast estimator of the dispersion matrix in elliptical models that ...

Elliptical trainers and treadmill machines provide a great indoor cardiovascular workout by getting your heart pumping and helping you burn calories. An elliptical mimics a smooth running motion ...

Working out at home has its perks — no hectic parking lots, no membership fees and no crowds. There are tons of great options for home gym equipment, and we’ve consulted with experts to better ...