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Consider the gap method described at the end of Section 7.3.2. Suppose that in the course of the preflow-push algorithm the number m(k) of nodes that have price equal to k is 0. Let S be the set of nodes with price less than k, and let S be the complementary set of nodes with price greater than k.
(a) Show that the cut [S,S] is saturated. Hint: The prices of the end nodes of the arcs of the cut differ by at least 2, so by 1-CS, their flows must be at the upper or lower bounds
(b) Explain why the nodes in S can be purged from the computation by setting their prices to N. Hint: For every minimum cut [S , S ], we must have S ⊂ S.
a. Use the Hildreth-Lu procedure to obtain a point estimate of the autocorrelation parameter. Do a search at the values p = .1 .. 2 ..... 1.0 and select from these the value of p that. minimizes SSE.
the sample standard deviation of the amount charged by the 25 women was $93.393, and the sample standard deviation of the amount charged by the 22 men was $59.695.
Compute a chi-square test for goodness of fit for each of the following, using the .05 level for each. In each problem, the expected distribution is equal frequencies in each category.
suppose that the joint density for xy is uniform over the disc centered at the origin with radius 1.a calculate the
Considering what you now know about terms such as Source, Transmitter, Signal, Channel, Noise, Addressee and Code, what categories in your view correspond to the following?
Table 6.14 displays primary food choice for a sample of alligators, classified by length (≤2.3 meters, >2.3 meters) and by the lake in Florida in which they were caught.
An estimated population variance of 200. a.) What is the standard deviation of the distribution of differences between means? b.) What is the mean? c.) What will be its shape?
in a sample of 400 people 250 indicated that they prefer domestic wines while 140 said they prefer european wines and
4 clothing manufacturer tests SRS of 5 specimens of each fabric. Determine the probability that mean breaking strength of 5 untreated specimens exceeds 50 pounds?
A survey indicates that male employees were more likely than females to relocate without being promoted. What information would you want to know before you accepted the results of this survey?
Iindicate all samples are approximately Normal with no outliers. Is the ANOVA appropriate?
is lack of sleep causing traffic fatalities? a study conducted under the auspices of the national highway traffic
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