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jmarkow / spikoclust

SPIKOsaurus CLUST: A MATLAB toolbox for split-and-merge-expectation-maximization-based spike sorting
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Error using mvnpdf #2

Closed wingillis closed 9 years ago

wingillis commented 9 years ago 
Error using mvnpdf (line 129)
SIGMA must be a square, symmetric, positive definite matrix.

Error in spikoclust_gmem_fullem (line 43)
        pxtheta=mvnpdf(DATA,mu(j,:),sigma(:,:,j));

Error in spikoclust_gmem (line 124)
[newmodel]=spikoclust_gmem_fullem(DATA,INIT,unip,maxiter,epsilon,lambda);

Error in spikoclust_gmmsort (line 74)
    tmpnewmodel{i}=spikoclust_gmem(SPIKE_DATA',[],1,'garbage',1,'merge',0,'debug',0);

Error in spikoclust_autosort (line 51)
[idx CLUSTER_DATA MODEL]=spikoclust_gmmsort(SPIKES.windows,...

Error in spikoclust_sort (line 310)
    [labels model cluster_data]=spikoclust_autosort(spikes,'clust_check',clust_check,...

Error in fw_analysis (line 86)
spikes_sorted=spikoclust_sort(double(agg_data.data(:,:)),agg_data.fs,'freq_range',[300
3e3],'spike_window',[.001 .0015],'clust_check',1:4);
jmarkow commented 9 years ago

This should be fixed in the latest update, the covariance matrix wasn't forced to be symmetric by default.