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Forum Post: ADE L Calculation: Numerical (?) issues

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I needed to rub my eyes multiple times to believe that. I have these two expressions in my ADE L: dB10(mag(8*c1_dc/c3_dc/6)) + 10 dB10(mag(8/6*c1_dc/c3_dc)) + 10 Clearly they are EQUIVALENT . Just different order. The first produces 24.8607, the second one 23.6113 dB. That's nearly 1dB difference!! c1_dc and c3_dc are nonlinearity coefficients which are extracted from a swept DC analysis. Their values are 100.916m and -4.39371m respectively. According to math, the first one is correct. How can that be?

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