| 1. | In some cases the ( weighted ) normal equations matrix " X"
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| 2. | The normal equation of supply versus demand is temporarily thrown out of whack.
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| 3. | The above equations are called the normal equations or Yule-Walker equations.
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| 4. | When fitting polynomials the normal equations matrix is a Vandermonde matrix.
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| 5. | Which is equivalent to the above-given normal equations.
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| 6. | In order to get the normal equations we follow a similar path as in previous derivations:
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| 7. | The normal equations are " m " linear simultaneous equations in the unknown increments, & Delta;.
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| 8. | However the downside of forming the normal equations is that the condition number ? ( "'A "'
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| 9. | For the unified solution, a normal equation matrix was formed based on each of the mentioned data sets.
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| 10. | This method is the most computationally intensive, but is particularly useful if the normal equations matrix, " X"
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