PDA-LANDSCAPE(1) User Commands PDA-LANDSCAPE(1)NAME
pda-landscape - Command line interface to pda-landscape in mlpy (version 2.2.0)
SYNOPSIS
pda-landscape [options]
OPTIONS -h, --help
show this help message and exit
-d FILE, --data=FILE
data - required
-s, --standardize
standardize data
-n, --normalize
normalize data
-k K k for k-fold cross validation
-c SETS PAIRS
sets and pairs for monte carlo cross validation
-S, --stratified
for stratified cv
-m MIN, --min=MIN
min value for number of regressions [default 1]
-M MAX, --max=MAX
max value for number of regressions [default 20]
-p STEPS, --steps=STEPS
steps for number of regressions [default 20]
-e SCALE, --scale=SCALE
scale for number of regressions: 'lin' or 'log' [default lin]
-l, --lists
Canberra distance indicator
mlpy July 2010 PDA-LANDSCAPE(1)
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zlassq.f(3) LAPACK zlassq.f(3)NAME
zlassq.f -
SYNOPSIS
Functions/Subroutines
subroutine zlassq (N, X, INCX, SCALE, SUMSQ)
ZLASSQ
Function/Subroutine Documentation
subroutine zlassq (integerN, complex*16, dimension( * )X, integerINCX, double precisionSCALE, double precisionSUMSQ)
ZLASSQ
Purpose:
ZLASSQ returns the values scl and ssq such that
( scl**2 )*ssq = x( 1 )**2 +...+ x( n )**2 + ( scale**2 )*sumsq,
where x( i ) = abs( X( 1 + ( i - 1 )*INCX ) ). The value of sumsq is
assumed to be at least unity and the value of ssq will then satisfy
1.0 .le. ssq .le. ( sumsq + 2*n ).
scale is assumed to be non-negative and scl returns the value
scl = max( scale, abs( real( x( i ) ) ), abs( aimag( x( i ) ) ) ),
i
scale and sumsq must be supplied in SCALE and SUMSQ respectively.
SCALE and SUMSQ are overwritten by scl and ssq respectively.
The routine makes only one pass through the vector X.
Parameters:
N
N is INTEGER
The number of elements to be used from the vector X.
X
X is COMPLEX*16 array, dimension (N)
The vector x as described above.
x( i ) = X( 1 + ( i - 1 )*INCX ), 1 <= i <= n.
INCX
INCX is INTEGER
The increment between successive values of the vector X.
INCX > 0.
SCALE
SCALE is DOUBLE PRECISION
On entry, the value scale in the equation above.
On exit, SCALE is overwritten with the value scl .
SUMSQ
SUMSQ is DOUBLE PRECISION
On entry, the value sumsq in the equation above.
On exit, SUMSQ is overwritten with the value ssq .
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Definition at line 107 of file zlassq.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
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