This is sometimes referred to as the adjoint matrix. The final result of this step is called the adjugate matrix of the original.They are indicators of keeping (+) or reversing (-) whatever sign the number originally had. ![]() Note that the (+) or (-) signs in the checkerboard diagram do not suggest that the final term should be positive or negative. Its adjoint is then something similar to a conjugate transpose of the matrix. The intuition I always resort to is thinking of an operator as a matrix. Continue on with the rest of the matrix in this fashion. begingroup I dont think there is a general way to find an adjoint operator, but you can make a guess, then prove that it is actually what you want. The third element keeps its original sign.
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