Which of the following statements are true for the Heavy Ball Method. a. It adds a momentum term for faster convergence Convergence is at least superlinearly.
c. It is not a descent method, i. e., f(xk 1) is not necessarily smaller than f(xk)
d. Numerical Instability can make this method break down after only a few iterations
d. The cost grows quadratically with the iteration count

One question from a survey was "how many credit cards do you currently have? " the results of the survey are provided. complete parts (a) through (g) below. click the icon to view the survey results. (a) determine the mean number of credit cards based on the raw data. the mean is 3.113.11 credit cards. (type an integer or a decimal. do not round.) (b) determine the standard deviation number of credit cards based on the raw data. the standard deviation is 1.9111.911 credit cards. (round to three decimal places as needed.) (c) determine a probability distribution for the random variable, x, the number of credit cards issued to an individual. x (# of cards) p(x) x (# of cards) p(x) 1 0.280.28 6 nothing 2 nothing 7 nothing 3 nothing 8 nothing 4 nothing 9 nothing 5 nothing 10 nothing (type integers or decimals. do not round.)

On january 15, the end of the first biweekly pay period of the year, north company’s payroll register showed that its employees earned $32,000 of sales salaries. withholdings from the employees’ salaries include fica social security taxes at the rate of 6.2%, fica medicare taxes at the rate of 1.45%, $3,000 of federal income taxes, $772 of medical insurance deductions, and $260 of union dues. no employee earned > $7,000 in this first period. prepare the journal entry to record north company’s january 15 (employee) payroll expenses and liabilities.

Juniper company, inc. uses a perpetual inventory system. the company purchased $9,750 of merchandise on august 7 with terms 1/10, n/30. on august 11, it returned $1,500 worth of merchandise. on august 16, it paid the full amount due. the correct journal entry to record the payment on august 16 is: