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# Find the horizontal edges of a grayscale image (of your choice).  Hint: For vertical edges this is done in Notebook 031.  
 
# Find the horizontal edges of a grayscale image (of your choice).  Hint: For vertical edges this is done in Notebook 031.  
 
# Pick a small grayscale image (your choice) and use matrix transposition and multiplication with suitable matrices to produce the following six images: [[image:FN.jpg|500px]]
 
# Pick a small grayscale image (your choice) and use matrix transposition and multiplication with suitable matrices to produce the following six images: [[image:FN.jpg|500px]]
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# Problem 3.8
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# Problem 3.16

Revision as of 08:49, 11 June 2013

  1. Let \(A=\begin{pmatrix}1&2&3\\4&5&6\\7&8&10\end{pmatrix}\). Find a matrix X such that \(X\cdot A=\begin{pmatrix}7&8&10\\4&5&6\\1&2&3\end{pmatrix}\). What do you get if you compute \(A\cdot X\)?
  2. Find a 4x4 orthogonal matrix with at least 5 non-zero entries.
  3. Can you find a 3x3 orthogonal matrix with no zeroes? Notebook
  4. Find the horizontal edges of a grayscale image (of your choice). Hint: For vertical edges this is done in Notebook 031.
  5. Pick a small grayscale image (your choice) and use matrix transposition and multiplication with suitable matrices to produce the following six images: FN.jpg
  6. Problem 3.8
  7. Problem 3.16
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