error using svmtrain (not enough inputs)
3 views (last 30 days)
Show older comments
i am using a code
clc
C=[1 2 3 ;4 5 6]
TrainLabel=C;TrainVec=[0;1];
bestcv = 0;
for log2c = -6:10,
for log2g = -6:3,
cmd = ['-v 5 -c ', num2str(2^log2c), ' -g ', num2str(2^log2g)];
cv = svmtrain(TrainLabel,TrainVec, cmd);
if (cv >= bestcv),
bestcv = cv; bestc = 2^log2c; bestg = 2^log2g;
end
fprintf('(best c=%g, g=%g, rate=%g)\n',bestc, bestg, bestcv);
end
end
i get error as
Error using ==> svmtrain at 225
Incorrect number of arguments to svmtrain.
Error in ==> ex2011 at 10
cv = svmtrain(TrainLabel,TrainVec, cmd);
please help were i have done mistake
0 Comments
Answers (3)
Ilya
on 5 Apr 2012
If you are using svmtrain function from the official MATLAB install (verify by typing 'which svmtrain' in your command window), it does not accept the syntax of your cmd string. Please read 'help svmtrain' or 'doc svmtrain'.
0 Comments
Walter Roberson
on 5 Apr 2012
The Mathworks-provided svmtrain() does not accept an argument which is a single string with flags and values. Instead it accepts only name/value pairs, such as
svmtrain(TrainLabel,TrainVec, 'method', 'SMO')
The flags you use have no obvious correspondence in the supported name/value pairs.
ansha nisar
on 12 Aug 2021
How can I resolve this problem Error using svmtrain
1 Comment
Walter Roberson
on 12 Aug 2021
models{k} = fitcsvm(Trainfea, G1vAll, 'solver', 'SMO');
and later
if predict(models{k}, Testfea(j,:))
See Also
Categories
Find more on Get Started with MATLAB in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!