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Logarithmic Subtraction    1/1, 1/3

Strutt|Log Subtract Rows function prompts for two rows, one to subtract from, and the one to subtract with the result being placed in the active row.

Strutt implements the subtraction as:

x = 10*log(10(a/10)-10(b/10))

Strutt places a '‡' in Column A of the basic noise level, a '¬' in Column A of the row that is subracted from it, and an '=' in the results row.


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strutt@arup.com