I have rum this code
http://www.mathworks.com/matlabcentral/fileexchange/27319-kernel-pca/content/kernelpca_tutorial.m
But I get the error as
kernelpca_tutorial(input,5) Undefined function 'kernelpca_tutorial' for input arguments of type 'double'.
where input is
input =
2.5000 3.5000 1.0000
1.5000 7.5000 9.0000
4.5000 8.0000 9.0000
What cud be the error..Any help wud be appreciated!