Question
Write a predicate sumsq_neg(Numbers, Sum) that sums the squares of only the negative numbers in a list of numbers. Example: ?- sumsq_neg([1,-3,-5,2,6,8,-2], Sum). Sum =
Write a predicate sumsq_neg(Numbers, Sum) that sums the squares of only the negative numbers in a list of numbers. Example:
?- sumsq_neg([1,-3,-5,2,6,8,-2], Sum). Sum = 38
This example computes (-3)*(-3) + (-5)*(-5) + (-2)*(-2). Think carefully about how the predicate should behave on the empty list should it fail or is there a reasonable value that Sum can be bound to?
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Murach's SQL Server 2012 For Developers
Authors: Bryan Syverson, Joel Murach, Mike Murach
1st Edition
1890774693, 9781890774691
