printf('Cost at initial theta (zeros): %f\n', cost); printf('Expected cost (approx) : 0.693\n'); printf('Gradient at initial theta (zeros) - first five values only:\n'); printf (' %f \n', grad (1:5)); printf('Expected gradients (approx) - first five values only: \n'); printf(' 0.0085\n 0.0188\n 0.0001\n 0.0503\n 0.0115\n'); sCompute and display cost and gradient with all-ones theta and lambda est_theta = ones (size (X, 2),1); cost, grad] = costFunctionReg (test_theta, X, y, 10); printf('\nCost at test theta (with lambda = 10): %f\n', cost); printf('Expected cost (approx) : 3.16\n'); printf('Gradient at test theta - first five values only:\n'); printf(' f \n', grad (1:5)); printf('Expected gradients (approx) printf(' 0.3460\n 0.1614\n 0.1948\n 0.2269\n 0.0922\n'); = 10 first five values only:\n');
printf('Cost at initial theta (zeros): %f\n', cost); printf('Expected cost (approx) : 0.693\n'); printf('Gradient at initial theta (zeros) - first five values only:\n'); printf (' %f \n', grad (1:5)); printf('Expected gradients (approx) - first five values only: \n'); printf(' 0.0085\n 0.0188\n 0.0001\n 0.0503\n 0.0115\n'); sCompute and display cost and gradient with all-ones theta and lambda est_theta = ones (size (X, 2),1); cost, grad] = costFunctionReg (test_theta, X, y, 10); printf('\nCost at test theta (with lambda = 10): %f\n', cost); printf('Expected cost (approx) : 3.16\n'); printf('Gradient at test theta - first five values only:\n'); printf(' f \n', grad (1:5)); printf('Expected gradients (approx) printf(' 0.3460\n 0.1614\n 0.1948\n 0.2269\n 0.0922\n'); = 10 first five values only:\n');
Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter15: Deterministic Eoq Inventory Models
Section15.2: The Basic Economic Order Quantity Model
Problem 15P
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