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How to check the inputs of a user given vector

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Nathan Jalal
Nathan Jalal el 25 de Jun. de 2020
Cerrada: MATLAB Answer Bot el 20 de Ag. de 2021
The following is the function I am trying to build. If a user doesnt give any information it work, however I am trying to have it so that when the user enters an arbitrary 1x4 vector of ones and zeros, the corresponding information is pulled. Not everything is shown in this code only the parts I think are pertinent to this question.
function fetchRINEX(days2get, startUTC, GNSSflag)
% Simple script to retrive GPS, GALILEO, BEIDOU, and GLONASS RINEX based navigation data files.
% GNSSflag = [GPSflag Galileoflag beidouflag glonassflag]
% flag = 1 Retrieve that data
if nargin==0
days2get = 1;
end
if nargin<2
startUTC = fix(clock);
end
if nargin<3
GNSSflag = [0 0 0 0];
GNSS = {'GPS','GALILEO','GLONASS','BEIDOU'};
[indx,tf] = listdlg('ListString',GNSS);
end
%%%%%%%%% This is where I need help to check which column in the vector is a 1 and which is a zero and then execute the following code with respect to the 1's %%%%%%%%%%%%%%%%%%%%%%%
for i=1:days2get
if sum(indx==1)>0 % If GPS is selected from the selection box, the following code will be executed.
% Build the directory string for GPS
dirStr = sprintf('/gnss/data/daily/2020/%03d/20n/', doy(i));
fileStr = sprintf('brdc%03d0.20n.Z', doy(i)); % Note this does not work for data set prior to 2000
cd(ftpobj, dirStr);
mget(ftpobj, fileStr, '.');
end
if sum(indx==2)>0 % If GALILEO is selected from the selection box, the following code will be executed.
% Build the directory string for GALILEO
dirStr = sprintf('/gnss/data/daily/2020/%03d/20l/', doy(i));
fileStr = sprintf('glps%03d0.20l.Z', doy(i)); % Note this does not work for data set prior to 2000
cd(ftpobj, dirStr);
mget(ftpobj, fileStr, '.');
end
if sum(indx==3)>0 % If GLONASS is selected from the selection box, the following code will be executed.
% Build the directory string for GLONASS
dirStr = sprintf('/gnss/data/daily/2020/%03d/20g/', doy(i));
fileStr = sprintf('brdc%03d0.20g.Z', doy(i)); % Note this does not work for data set prior to 2000
cd(ftpobj, dirStr);
mget(ftpobj, fileStr, '.');
end

Respuestas (1)

Sayyed Ahmad
Sayyed Ahmad el 25 de Jun. de 2020
I hope I understand your problem. Try this
a=[0 0 1 1];
idx=find(a==1)
the answer would be:
idx =
3 4

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