2. We have a plate of 12 x 15 cm and the temperatures on the edges are held as shown in the sketch below. Take Ax = Ay = 3 cm and use the S.O.R. method (successive overrelaxation method) to find the temperatures at all the grid points. First calculate the optimal value of and then use this value in the algorithm. Start with all grid values equal to the arithmetic average of the given boundary values. 100 120 150 150 120 100 90 70 70 (Not to scale!) 50 50 30 0 0 0 0 0 0

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