Multivariate Normal Distribution : Error using mvnpdf (line 67)

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Gowri Prasood
Gowri Prasood 2023-4-4
回答： Walter Roberson 2023-4-4
Hello everyone,
for the analysis of a measurement I'm trying to use the multivariate normal distribution function mvnpdf.
loglik1 = sum(log(w*mvnpdf(all_energy1, mu1, Sigma)));
Error using mvnpdf (line 67)
X and MU must have the same number of columns.
all_energy2 is 1x19640 double and mu2 is 5x1 double. sigma = 1x5 cell . w= 5x1 double .
I'm using Matlab R2020b.

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回答（1 个）

Walter Roberson
Walter Roberson 2023-4-4
mvnpdf does not accept cell for any parameters.
mvnpdf does not accept a series of different mu with the intention of evaluating X at each of the mu. The provided mu must have the same number of columns as X and must either have one row or else be the same size as X

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