How to name rows in array ?

2014 11 4
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更新时间：2014 11 4
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I have the following matrices:
reactions =
0 30.0000
40.0000 -30.0000
namb =
'node 3'
'node 5'
I need an instruction to make following:
node 3 0 30.0000
node 5 40.0000 -30.0000
I'am trying to use sprintf but can't seem to get it to work. Heres what I get:
node 0 30.00000
5 40.00000 -30.00000
here some of the code :
% ss is equal to number of names in this example; node 1, node 2, node 3,....node n
for i=1:ss
label = 'Reaction Matrix';
vheader = sprintf(namb{i})
hheader = 'Force_x Force_y';
printmat(reactions, label, vheader, hheader)
end
If anybody could head me in the right direction, I would appreciate it.

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 采纳的回答

Image Analyst
Image Analyst 2014-11-4

0 个投票

Try this:
reactions =[...
0 30.0000
40.0000 -30.0000]
namb ={...
'node 3'
'node 5'}
% To be most general, find out how many rows and columns are in reactions.
[rows, columns] = size(reactions);
fprintf('Reaction Matrix Force_x Force_y\n');
for row = 1 : rows
fprintf('%s ', namb{row});
for col = 1 : columns
fprintf('%8.4f ', reactions(row, col));
end
fprintf('\n');
end
Printed in command window is:
Reaction Matrix Force_x Force_y
node 3 0.0000 30.0000
node 5 40.0000 -30.0000

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