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کامپیوتر و شبکه::
ریشه دوم
If we had non-linear calculations in the model (perhaps a square root of a decision, a logarithm, or an exponential function), then we could use one of the other algorithms Excel provides in Solver.
So the distance between them is the square root of 20, which is approximately
Figure 2.13 Euclidean distance is the square root of the sum of squared distances in each single direction
Distance between a customer and a cluster center is calculated by taking the difference between the two points for each deal, squaring them, summing them up, and taking the square root.
In cell L34, below Adams' purchases, you can take the difference of Adams' vector and the cluster center, square it, sum it, and square root the sum, using the following array formula (note the absolute references that allow you to drag this formula to the right or down without the cluster center reference changing):
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