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A warehouse has an end-of-period capacity of 3 units. During a period in which production takes place, a setup cost of $4 is incurred. A $1 holding cost is assessed against each unit of a period's ending inventory. Also, a variable production cost of $1 per unit is incurred. During each period, demand is equally likely to be 1 or 2 units. All demand must be met on time, and ß = .8. The goal is to minimize expected discounted costs over an infinite horizon.
a Use the policy iteration method to determine an optimal stationary policy.
b Use linear programming to determine an optimal stationary policy.
c Perform two iterations of value iteration.
a water line is planned to connect a new reservoir to an existing water treatment plant. the average water surface
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a combustion engineer wishes to produce an inert mixture to replace normal air. she will do that using a mixture of n2
Consider an isotropic composite in which the spherical particles are silica with an elastic modulus of 80 GPa and a polymer matrix with an elastic modulus of 4 GPa. Determine the modulus of the composite for an inclusion fraction of 20% by volume as ..
johnson implants is planning a new online patient diagnostics for surgeons while they operate. the new system will cost
The power output of an ideal, open-cycle gas turbine cycle is 75 MW and its pressure ratio is 16. Air enters the compressor at 520 R and enters the turbine at 2800 R. Using variable specific heats at 1000°F: cp = 0.263 Btu/lbm-R and k = cp/cv = 1.353..
an actual refrigerator absorbs 500 kj of heat from a sink at 250 k and reject 660 kj of heat to environment at 300 k.
A rigid tank contains 5.56 kg of an ideal gas at 3.6 ATM and 40 degrees Celsius. Now a valve is opened and half of the mass of the gas is allowed to escape. If the final pressure in the tank is 2.0 ATM, the final temperature of the tank is?
A rigid tank with a volum of 2.5m^3 contains 5kg of saturated liquid-vapor mixture of water at 75deg C. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized
for a first order system with a transfer function of 15s2 given a unit step input pleasea. derive the transfer function
Determine the flow rate of steam from the boiler in lb/h
a student plays two notes on the piano keyboard simultaneously. the white key has a frequency of 352 hz and the black
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