Backpropagation through time: what it does and how to do it

Backpropagation Through Time: What It Does and How to Do It

Backpropagation is now the most widely used tool in the field of artificial neural networks. At the core of backpropagation is a method for calculating derivatives exactly and efficiently in any large system made up of elementary subsystems or calculations which are represented by known, differentiable functions; thus, backpropagation has many applications which do not involve neural networks a...

How Much Time Does It Need to Write an Article?

سخن سردبیر Editorial مجله دانشگاه علوم پزشکی رفسنجان دوره نوزدهم، خرداد 1399، 222-221       چقدر زمان برای نوشتن یک مقاله مورد نیاز است؟ How Much Time Does It Need to Write an Article?   محسن رضائیان[1]   M. Rezaeian   اگر برای شما این سؤال پیش آمده است که: " چقدر زمان برای نوشتن یک مقاله مورد نیاز است؟" خواندن فصل پنجم کتاب "چگونه مقالات بهتر پزشکی بنویسیم" (How to write better m...

What Does It Mean and How Do We Measure It?

T he paper by Bonow et al' in this issue of Circulation reports important empirical observations on measuring myocardial viability in humans with the potassium analogue thallium-201. After obtaining standard 20'1f exercise and redistribution images, a second dose of 201TI was injected and a third (reinjection) image was obtained beginning 10-15 minutes later. The reinjection images identified v...

"What to do--how to do it.

Implementation research: what it is and how to do it

1Johns Hopkins University Bloomberg School of Public Health, Department of International Health, 615 N Wolfe St, Baltimore, MD 21205, USA; 2Alliance for Health Policy and Systems Research, World Health Organization, CH-1211 Geneva 27, Switzerland; 3University of Ghana School of Public Health/Ghana Health Service, Accra, Ghana; 4Alliance for Health Policy and Systems Research, Implementation Res...