i'm working on an I.A project , i'm using SVM for training and when i run the code i get this error ?

Error: label vector and instance matrix must be double Error: label vector and instance matrix must be double Attempted to access precision(1); index out of bounds because numel(precision)=0.

Error in apprentissage_SVM (line 25) RR=precision(1); % recognition rate

Answer 1

[yaseen iqbal]

try to convert numl into numl(:); will solve your problem