Question

Problem #4: What matlab command, or combination of commands (using 25 characters or less), could be used to create the following matrix? [ 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ] Hint: Look for a lower triangluar matrix that is repeated many times. First try to produce that lower triangular matrix with as few characters as possible. Problem #4: repmat(tril(ones(5)),5,4) Note that your answer must produce the given matrix when copied and pasted directly into Matlab Just Save Submit Problem #4 for Grading Problem #4 Attempt #1 Attempt #2 Attempt #3 Your Answer: repmat(tril(ones(5)), 5,4) repmat(tril(ones(3)), 4,5) Your Mark: 1/2 0/2 Note: Your mark on each question will be the MAXIMUM of your marks on each try.

          Problem #4: What matlab command, or combination of commands (using 25 characters or less), could be used to create the following matrix?
[ 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
  1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
  1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
  1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
  1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
  1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
  1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
  1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
  1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
  1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
  1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
  1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
  1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
  1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
  1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
  1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
  1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
  1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
  1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
  1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ]
Hint: Look for a lower triangluar matrix that is repeated many times. First try to produce that lower triangular matrix with as few characters as possible.
Problem #4: repmat(tril(ones(5)),5,4)
Note that your answer must produce the given matrix when copied and pasted directly into Matlab
Just Save Submit Problem #4 for Grading
Problem #4 Attempt #1 Attempt #2 Attempt #3
Your Answer: repmat(tril(ones(5)), 5,4) repmat(tril(ones(3)), 4,5)
Your Mark: 1/2 0/2
Note: Your mark on each question will be the MAXIMUM of your marks on each try.

Problem #4: What matlab command, or combination of commands (using 25 characters or less), could be used to create the following matrix?
[ 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 0 0 0 0 1 0 0 0 0 1 0 0 0 0
1 1 0 0 0 1 1 0 0 0 1 1 0 0 0
1 1 1 0 0 1 1 1 0 0 1 1 1 0 0
1 1 1 1 0 1 1 1 1 0 1 1 1 1 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ]
Hint: Look for a lower triangluar matrix that is repeated many times. First try to produce that lower triangular matrix with as few characters as possible.
Problem #4: repmat(tril(ones(5)),5,4)
Note that your answer must produce the given matrix when copied and pasted directly into Matlab
Just Save Submit Problem #4 for Grading
Problem #4 Attempt #1 Attempt #2 Attempt #3
Your Answer: repmat(tril(ones(5)), 5,4) repmat(tril(ones(3)), 4,5)
Your Mark: 1/2 0/2
Note: Your mark on each question will be the MAXIMUM of your marks on each try.

Added by Gregorio P.

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