(8) [4 pts] Given the spectral graph clustering optimization problem Find y that minimizes y Ly subject to and y¹y =n 1¹y = 0, which of the following optimization problems produce a vector y that leads to the same sweep cut as the optimization problem above? M is a diagonal mass matrix with different masses on the diagonal. Minimize y™ Ly A: subject to and y¹y = 1 1¹y = 0 Minimize y™ Ly O B: subject to and Vi, y¡ = 1 or y₁= -1 1¹y = 0 Minimize y¹ Ly/(yy) subject to 1¹y = 0 Minimize y¹ Ly OD: subject to and y My = 1 1¹ My = 0
(8) [4 pts] Given the spectral graph clustering optimization problem Find y that minimizes y Ly subject to and y¹y =n 1¹y = 0, which of the following optimization problems produce a vector y that leads to the same sweep cut as the optimization problem above? M is a diagonal mass matrix with different masses on the diagonal. Minimize y™ Ly A: subject to and y¹y = 1 1¹y = 0 Minimize y™ Ly O B: subject to and Vi, y¡ = 1 or y₁= -1 1¹y = 0 Minimize y¹ Ly/(yy) subject to 1¹y = 0 Minimize y¹ Ly OD: subject to and y My = 1 1¹ My = 0
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