how can import numeric matrix into NaN matrix?

hey,
i cant import numeric matrix into NaN matrix that i used in my program
i have this IF loop
if (~exist('Salinity,Pressure'));
t(1:n,i)=Temperature(:);
Z(1:n,i)=z(:);
else
t(1:n,i)=Temperature(:);
Z(1:n,i)=z(:);
sal(1:n,i)=Salinity(:);
p(1:n,i)=Pressure(:);
end
the data is still appear as nan matrix in sal and p variables but the loop is work with t and z
how should i do to keep it work with it like others?
thank you .

3 个评论

The first two lines inside the "if" section and the "else" section do the same thing. Thus they will always get updated.
What do you want to do with the exist statement? I don't think you have the correct syntax there. If you are checking for variables, you should do them individually: e.g.
if exist('Salinity', 'var')
sal(1:n,i)=Salinity(:);
end
and then something similar for pressure.
There is no such thing as an "if loop". There are "for loop" and "while loop" but "if statement".
Mr. Rajiv thank you very much for your help the syntax is correct

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提问:

2014-3-25

编辑:

2014-3-25

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