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sccn / roiconnect

ROI connectivity analysis in EEG
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Issue in s4sid_CCA #41

Open hfj6 opened 1 year ago

hfj6 commented 1 year ago

how to deal with the code line 84 'forward weight matrix not positive-definite');Some data do, some data don't.

nguyen-td commented 1 year ago

Hi, would you mind sharing instructions on how to reproduce the error, perhaps with some data if possible?

hfj6 commented 10 months ago

This is a simulation program to obtain a dynamic response of the structure under white noise excitation, which often has problems, as follows: 错误使用 assert forward weight matrix not positive-definite

出错 s4sid_CCA (第 85 行) assert(cholp == 0, 'forward weight matrix not positive-definite'); There is no such problem in the actual data. What could be the cause?

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