]> gitweb.michael.orlitzky.com - octave.git/blobdiff - divided_difference_coefficients.m
Move homework #1's octave code into its directory.
[octave.git] / divided_difference_coefficients.m
diff --git a/divided_difference_coefficients.m b/divided_difference_coefficients.m
deleted file mode 100644 (file)
index 53d5799..0000000
+++ /dev/null
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-function coefficients = divided_difference_coefficients(xs)
-  ## Compute divided difference coefficients of `f` at points `xs`.
-  ##
-  ## INPUTS:
-  ##
-  ##   * ``xs`` - A vector containing x-coordinates.
-  ##
-  ## OUTPUTS:
-  ##
-  ##   * ``coefficients`` - The vector of coefficients such that
-  ##   dot(coefficients, f(xs)) == dd. Used to solve linear systems.
-  ##
-
-  coefficients = [];
-    
-  for xj = xs
-    this_coeff = 1;
-    for xi = xs
-      if (xi != xj)
-       ## Append (xj - xi) to the vector of coefficients.
-       this_coeff = this_coeff * (1 / (xj - xi));
-      end
-    end
-    coefficients(end+1) = this_coeff;
-  end
-end