lues of environment variables are passed to child processes
A. by making copies of the strings
B. by passing pointers to the original strings
A. by making copies of the strings
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For the following sets of two-dimensional points, (1) provide a sketch of how they would be split into clusters by K-means for the given number of clusters and (2) indicate approximately where the resulting centroids would be. As- sume that we are using the squared error objective function. If you think that there is more than one possible solution, then please indicate whether each solution is a global or local minimum. Note that the label of each diagram in Figure 8.4 matches the corresponding part of this question, e.g., Figure 8.4(a) goes with part (a).
(a) K = 2. Assuming that the points are uniformly distributed in the circle,
how many possible ways are there (in theory) to partition the points
into two clusters? What can you say about the positions of the two
centroids? (Again, you don’t need to provide exact centroid locations,
just a qualitative description.)
(b) K = 3. The distance between the edges of the circles is slightly greater
than the radii of the circles.
(c) K = 3. The distance between the edges of the circles is much less than
the radii of the circles.
(d) K = 2.
(e) K = 3. Hint: Use the symmetry of the situation and remember that
we are looking for a rough sketch of what the result would be.
When we remove an element from a priority queue, it is called a(n) ___________ operation.
A. removal B. enqueue C. dequeue D. subtractive
How do you know whether a slide is hidden when in Slide Sorter view?
A) The slide number displays with a slash. B) The slide number shows behind a red stop sign image. C) The slide thumbnail shows with a light orange background. D) The slide number is bold.
Most Web pages include a ____ running along the top of the page, ____ in a column on the left, ____ in the middle, and perhaps a third column on the right.
A. masthead, content, internal navigation B. masthead, internal navigation, content C. content, masthead, internal navigation D. content, internal navigation, masthead