Machine learning assignment 4

machine_learning/course2/assignment4/a4_rand.m

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+function ret = a4_rand(requested_size, seed)
+    global randomness_source
+    start_i = mod(round(seed), round(size(randomness_source, 2) / 10)) + 1;
+    if start_i + prod(requested_size) >= size(randomness_source, 2) + 1, 
+        error('a4_rand failed to generate an array of that size (too big)')
+    end
+    ret = reshape(randomness_source(start_i : start_i+prod(requested_size)-1), requested_size);
+end
+