error in using svm

i am using 2011b,i get the following error

plz hemp

Error using svmtrain (line 391) The kernelcachelimit argument must be a positive scalar.

Error in smo (line 22) svmModel= svmtrain(Training,Group, 'Kernel_Function','linear','Method','SMO','kernelcachelimit','1000')

Answer 1

[Wayne King]

You have entered the 'kernelcachelimit' as a string variable, please use a positive scalar.

svmModel= svmtrain(Training,Group, 'Kernel_Function','linear','Method','SMO','kernelcachelimit',1000);