%???CSP?Function

%???Coded?by?James?Ethridge?and?William?Weaver

function?[result]?=?CSP（varargin）
????

????if?（nargin?~=?2）
????????disp（‘Must?have?2?classes?for?CSP!‘）
????end
????
????Rsum=0;
????%finding?the?covariance?of?each?class?and?composite?covariance
????for?i?=?1:nargin?
????????%mean?here?
????????R{i}?=?（（varargin{i}*varargin{i}‘）/trace（varargin{i}*varargin{i}‘））;%instantiate?me?before?the?loop!
????????%Ramoser?equation?（2）
????????Rsum=Rsum+R{i};
????end
????
????
???
????%???Find?Eigenvalues?and?Eigenvectors?of?RC
????%???Sort?eigenvalues?in?descending?order
????[EVecsumEValsum]?=?eig（Rsum）;
????[EValsumind]?=?sort（diag（EValsum）‘descend‘）;
????EVecsum?=?EVecsum（:ind）;
????
????%???Find?Whitening?Transformation?Matrix?-?Ramoser?Equation?（3）
????????W?=?sqrt（inv（diag（E

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????22496680??2020-07-27?22:11??csp\BCICIV_calib_ds1a.mat
?????文件????????1593??2020-07-27?22:11??csp\CSP.m
?????文件????????2473??2020-07-27?22:11??csp\csp2.m
?????文件????????1775??2020-07-27?22:11??csp\CSPTest.m
?????文件????????1120??2020-07-27?22:11??csp\spatFilt.m