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# Class: LMQuadTest Source Location: /PHPExcel/Shared/JAMA/examples/LMQuadTest.php
### Class Overview
quadratic (p-o)'S'S(p-o) | ### Methods grad initial testdata val
### Class Details [line 7] quadratic (p-o)'S'S(p-o) quadratic (p-o)'S'S(p-o) solve for o, S S is a single scale factor [ Top ] ### Class Methods ### method grad [line 44]
`void grad( array[] $x, array[] $a, int $a_k)`
z = (p-o)'S'S(p-o) z = (p-o)'S'S(p-o) dz/dp = 2S'S(p-o) z = (s*(px-ox))^2 + (s*(py-oy))^2 dz/dox = -2(s*(px-ox))*s dz/ds = 2*s*[(px-ox)^2 + (py-oy)^2] z = (s*dx)^2 + (s*dy)^2 dz/ds = 2(s*dx)*dx + 2(s*dy)*dy #### Parameters:
array[] | $x |
array[] | $a |
int | $a_k |
[ Top ] ### method initial [line 68]
`array[] initial( )`
[ Top ] ### method testdata [line 80]
`Object[] testdata( )`
[ Top ] ### method val [line 13]
`void val( array[] $x, array[] $a)`
#### Parameters:
array[] | $x |
array[] | $a |
[ Top ] Documentation generated on Mon, 11 Jan 2010 08:11:54 +0100 by phpDocumentor 1.4.1