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.
Hostas are a popular, shade-loving plant that originated in Japan, China and Korea, according to Ohio State University's Horticulture and Crop Science experts Gretchen Heinke and Jane Martin. Hosta leaves come in many colors and produce lavender or white flowers, which sit atop a long, slim stem.