Engineering, 02.11.2019 03:31 hello758
Find the maximum of f (x, y) = 4x + 2y + x2 β 2x4 + 2xy β 3y2 using the steepest ascent method with initial guess x = 0 and y = 0. (a) (5 points) find the gradient vector and hessian matrix for the function f (x, y). (b) (5 points) find the direction of steepest ascent at (0,0). the direction found in this step will be our search direction in the next iteration. (c) (10 points) find the point that maximizes the function f along the search direction. 2.
Answers: 1
Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20Β°c. the pipe has an outer surface temperature of 65Β°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
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Engineering, 04.07.2019 18:10
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60Β°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Engineering, 04.07.2019 18:20
For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.
Answers: 1
Find the maximum of f (x, y) = 4x + 2y + x2 β 2x4 + 2xy β 3y2 using the steepest ascent method with...
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