2.1.0
User Documentation for Apache MADlib
conjugate_gradient.sql_in File Reference

SQL function computing Conjugate Gradient. More...

Functions

float [] conjugate_gradient (text matrix, text val_id, text row_id, float[] b, float precision_limit, int verbosity)
 Compute conjugate gradient. More...
 
float [] conjugate_gradient (text matrix, text val_id, text row_id, float[] b, float precision_limit)
 

Detailed Description

Date
March 2011

Function Documentation

◆ conjugate_gradient() [1/2]

float [] conjugate_gradient ( text  matrix,
text  val_id,
text  row_id,
float []  b,
float  precision_limit,
int  verbosity 
)
Parameters
matrixName of the table containing argument matrix A
val_idName of the column contains row values
row_idName of the column contains row number
bArray containing values of b
precision_limitPrecision threshold after which process will terminate
verbosityVerbose flag (0 = false, 1 = true)
Returns
Array containing values of x

◆ conjugate_gradient() [2/2]

float [] conjugate_gradient ( text  matrix,
text  val_id,
text  row_id,
float []  b,
float  precision_limit 
)