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Pascal has two forms of the while loop, while and repeat. While repeats one statement (unless enclosed in a begin-end block) as long as the condition is true. The repeat statement repetitively executes a block of one or more statements through an until statement and continues repeating unless the condition is false. The main difference between ...
If xxx1 is omitted, we get a loop with the test at the top (a traditional while loop). If xxx2 is omitted, we get a loop with the test at the bottom, equivalent to a do while loop in many languages. If while is omitted, we get an infinite loop. The construction here can be thought of as a do loop with the while check in the middle. Hence this ...
Infinite loops can be implemented using various control flow constructs. Most commonly, in unstructured programming this is jump back up , while in structured programming this is an indefinite loop (while loop) set to never end, either by omitting the condition or explicitly setting it to true, as while (true) ....
while (true) continue. does not halt; rather, it goes on forever in an infinite loop. On the other hand, the program print "Hello, world!" does halt. While deciding whether these programs halt is simple, more complex programs prove problematic. One approach to the problem might be to run the program for some number of steps and check if it halts.
Q-learning can identify an optimal action-selection policy for any given finite Markov decision process, given infinite exploration time and a partly random policy. [2] " Q" refers to the function that the algorithm computes: the expected reward—that is, the quality —of an action taken in a given state.
Alabama looks in line for a College Football Playoff berth and that's a nod to the power of the SEC and Big Ten compared to other conferences.
Many older Americans want to live out their lives in their own homes. Josie Norris /The Tennessean-USA TODAY NETWORK
While the current 0.03% dividend yield might seem insignificant, the company's blistering 16.3% dividend growth rate over the prior five years and minimal 1.11% payout ratio signal substantial ...