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.
PRIVACY GUARANTEED. Traditional inpatient drug rehab, which lasts up to a month, has an average cost of $10-19K per episode. This means that most people pay from $300-700 per day when attending a 28 day inpatient drug rehab program.The average cost of a long-term therapeutic community, has been estimated at around $21K.And outpatient drug rehab is thought of as the least expensive option, by far.his means that most people pay from $300-700 per day when attending a 28 day inpatient drug rehab program. The average cost of a long-term therapeutic community, has been estimated at around $21K. And outpatient drug rehab is thought of as the least expensive option, by far.