?Some managers are critical of payback analysis because it places all the emphasis on early costs and benefits and ignores the benefits received after the payback period.
Answer the following statement true (T) or false (F)
True
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Consider a graph signal f = [3 , ? 2 , 0 , 1 , 6] T defined on the graph shown in Figure 10.1 . Compute the outputs f1 and f2 of LSI graph filters in cascade, as shown in Figure 10.5, for the following cases:
(a) H1 = 3I?2W+W2 andH2=I + 4W.
(b) H1 = 3I?2L+L2 andH2=I + 4L.
Use the vertex domain as well as the frequency domain methods to find the output graph
signals and verify your results. Also, draw frequency responses of the filters. Can you find an
equivalent filter H for the two filters H1 and H2 in cascade?
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Indicate whether the statement is true or false
We gave a solution to consensus from a solution to reliable and totally ordered multicast, which involved selecting the first value to be delivered. Explain from first principles why, in an asynchronous system, we could not instead derive a solution by using a reliable but not totally ordered multicast service and the ‘majority’ function. (Note that, if we could, then this would contradict the impossibility result of Fischer et al.!) Hint: consider slow/failed processes.
What will be an ideal response?
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Indicate whether the statement is true or false