When we write vectors as matrices, we tend to write an $n$-dimensional vector vector as $n \times 1$ column matrix. We emphasize that the gradient vector is defined only for scalar-valued functions. For vector valued functions, we will stick with viewing the derivative as a matrix.
Gloomy Addiction Relapse Statistics. Drug and alcohol rehab statistics show that the percentage of people who will relapse after a period recovery ranges from 50% to 90%. This is a frightening statistic and it is often used as justification for those who wish to carry on with their addiction.
levels of satisfaction (from 54.7 to 86.2 percent) with abilities to accomplish this task were shown. after rehabilitation. The nonVA group experienced a decrease from 21.4 to 14.3 percent in the level of frequency of. task accomplishment for this item daily or weekly.