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1596Linear Term Implied by a Target Optimizer 1For f(x) = 0.5 x T A x - b T x with A = [[4,1],[1,3]], suppose the optimizer is x* = (1,2). What vector b makes that true?数学简单derivation未尝试免费1598Second Coordinate of a Coupled Quadratic Optimizer 3For f(x) = 0.5 x T A x - b T x with A = [[6,-2],[-2,4]] and b = (8,0), what is the optimizer's second coordinate?数学中等derivation未尝试免费1599Optimizer of a Coupled Positive-Definite Penalty 4Minimize f(x,y) = 0.5(3x 2 + 4xy + 5y 2) - (6x + 8y). What is the optimizer?数学中等数值题未尝试免费1600Coupling Needed for Equal Optimizer Coordinates 5For f(x) = 0.5 x T A(t) x - b T x with A(t) = [[5,t],[t,4]] and b = (6,2), for what t does the optimizer satisfy x1 = x2?数学困难derivation未尝试面试订阅