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How do i construct a design matrix for a least square problem?

  1. Sep 5, 2011 #1
    Suppose we want to to fit an arbitrary function f(t) with a polynomial of
    degree n - 1 using the values of the function in an arbitrary set of points z = [z1; z2; : : : ; zm].

    how would do i construct the least squares problem Ax=b. in other words, how would i construct the matrix A and b in terms of f(t) and z ?
  2. jcsd
  3. Sep 7, 2011 #2
    Not sure what you mean here. Do you know the relationship of t to z?
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