Forward and Backward Euler Methods. Let's denote the time at the nth time-step by tn and the computed solution at the nth time-step by yn, i.e., . The step size h (assumed to be constant for the sake of simplicity) is then given by h = tn - tn-1.
Heuchera â Shade Garden Plant â Coral Bells. Heuchera is a Native American plant that is found all over the country. It is more commonly known as Coral Bells and comes in many shades of purple, rose, green and variegated varieties.
The common name âCoral Bellsâ is used for a number of Heuchera species, but orginally derives from the terra cotta coloured flowers of Heuchera sanguinea. The name Heuchera comes from the 18th century German Physician Johann Heinrich von Heucher (1677â1746).