Department of Mathematics

Math 300: Mathematical Computing

Maple ICE

  1. Open Maple and read in a data file with two columns, found at /usr2/test300/hal.dat.
  2. Load the LinearAlgebra package.
  3. Make a vector called year that contains the first column of the array you read in step 1.
  4. Make a vector called y that contains the second column of the array you read in step 1.
  5. Create a matrix whose first column is all ones; whose second column is the year vector, and whose third column is a vector whose entries are the squares of those in the year vector. Call the matrix A.
  6. Solve ATAx = ATy to find x.
  7. Define model = Ax.
  8. Plot the year vector against the y vector in a point style, and the year vector against the model vector in a line style, all on the same set of axes.

Assignment 6 is posted.

The midterm exam will take place on Friday, 12 October. As always, you are permitted any paper notes you find useful, but no electronic devices are allowed. The test is cumulative, but emphasizes the material covered in the last fours weeks. A sample exam is available.

You need to install Matlab on your computer by Wednesday. You do not need Simulink or any particular toolboxes, though you might find the Symbolic toolbox useful at some time in the future (not in this class).

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