Formula Response Surface Methodology

This are the formulas that are used to calculate the Response surface methodology.

Correlation coefficients

The formula is put in to matrices.





To Calculate the factors the following formula is used



To calculate the correlation coefficient the following formulas are used.

Anova table

	df	SS	MS
Total	n-1
Regression	k
Error	n-k-1

Legend

= Transposed matrix
= inverse matrix
= y value predicted by the formula
= Average y value
= error
= multiple correlation coefficient