>> mean(test_err)

ans =

    0.0264

>> optimal       
optimal_lambdas   optimal_sigmas    optimallamb       optimalleaforder  optimalsigma      optimalW          
>> optimal_lambdas

optimal_lambdas =

        1000        1000        1000        1000        1000        1000        1000        1000        1000        1000

>> optimal_sigmas

optimal_sigmas =

     8     8     8     8     8     8     8     8     8     8

>> test_err

test_err =

    0.0270    0.0248    0.0269    0.0292    0.0258    0.0254    0.0261    0.0265    0.0274    0.0254