* arts-2-1-650

* src/logic.cc:

(is_increasing): Adapt the if statement so that the functions correctly
return false if the Vector contains NaN values:

if( x[i] <= x[i-1] ) return false;
->
if( !(x[i] > x[i-1]) ) return false;

Although logically the same for floating point numbers, the second
implementation behaves correctly for NaN values because any comparison
with NaN returns false.

(is_decreasing, is_sorted): Same.

* src/test_matpack.cc: Add test44 to check above changes.

git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8442 aaf1aab0-4228-0410-ad68-8dceda47f409
2013-05-23  Patrick Eriksson  <patrick.eriksson@chalmers.se>

	* arts-2-1-651

	* doc/uguide/wfuns.tex: Changed to use Jacobian in preference of
	weighting functions. Some rearrangement to introduce expressions
	for polarised absorption.

	* doc/uguide/rte.tex: Some typos from last commit, and expanded
	slightly around calculation of matrix exp.



git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8443 aaf1aab0-4228-0410-ad68-8dceda47f409
2013-05-24  Patrick Eriksson  <patrick.eriksson@chalmers.se>

            * arts-2-1-652

            * doc/uguide/references.bib: Added Dattorro2011.

            * doc/uguide/wfuns.tex (subsubsection{General case}): Further
            work. Had to change strategy somehwat.



git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8446 aaf1aab0-4228-0410-ad68-8dceda47f409

2013-05-26 Oscar Isoz <oscar.isoz@ltu.se>
	* arts-2-1-653

	* src/sensor.cc (find_effective_channel_boundaries):
	Minor bugfix found just after the last commit

	* src/m_sensor.cc (f_gridFromSensorAMSUgeneric):
	Fixed an issue with how the passband frequency grid is calculated

	* src/m_sensor.cc (sensor_responseGenericAMSU):
	Found (and fixed) a discrepancy in how the properties of the AMSU-A sensor is saved
	in amsua.arts vs how it is used in this function. 

	Introduced a slight reduction in the effective bandwidth of the channels by
	60 Hz in order to avoid for them to merged by f_gridFromSensorAMSUgeneric
	(this was donet to save computational time and make more room for optimisations of
	the frequency grid)




git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8449 aaf1aab0-4228-0410-ad68-8dceda47f409
2013-05-27  Patrick Eriksson  <patrick.eriksson@chalmers.se>

            * arts-2-1-654

            * doc/uguide/wfuns.tex (subsubsection{General case}): Finished a
            first version of this sub-section, dealing with absorption WFs
            with polarised absorption.



git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8450 aaf1aab0-4228-0410-ad68-8dceda47f409