query: Why do I have to index my covariance matrix as if it has 3 dimensions
positive_passages.docid: 7038
positive_passages.text: Why does MatrixForm affect calculations?
negative_passages.docid: 48646
negative_passages.text: A problem with the geometric series and matrices?
negative_passages.docid: 60736
negative_passages.text: Looking for an intuitive explanation why the row rank is equal to the column rank for a matrix
negative_passages.docid: 61003
negative_passages.text: Why shouldn't the denominator of the covariance estimator be n-2 rather than n-1?
negative_passages.docid: 24132
negative_passages.text: Why does Gaussian elimination not preserve similarity of a matrix?
negative_passages.docid: 133568
negative_passages.text: Is it possible to have a basis for a covariance matrix such that the greatest variance is greater than the variance of the first eigenvector?
negative_passages.docid: 27533
negative_passages.text: Variance-covariance matrix in lmer
negative_passages.docid: 154667
negative_passages.text: Singular values of the data matrix and eigenvalues of the covariance matrix
negative_passages.docid: 86086
negative_passages.text: I am confused about the kernel of a matrix and the "kernel"
negative_passages.docid: 66995
negative_passages.text: Why is a projection matrix symmetric?
negative_passages.docid: 90089
negative_passages.text: Why are PCA eigenvectors orthogonal and what is the relation to the PCA scores being uncorrelated?
negative_passages.docid: 77619
negative_passages.text: Generalizing variance to two dimensions
negative_passages.docid: 124631
negative_passages.text: Why are we not able to visualize Dimensions beyond 3 (or maximum 4 including time)?
negative_passages.docid: 119375
negative_passages.text: Is there any standard notation for specifying dimension of a matrix after the matrix symbol?
negative_passages.docid: 70245
negative_passages.text: Why is the eigenvector in PCA taken to be unit norm?
negative_passages.docid: 27102
negative_passages.text: Combining two covariance matrices
negative_passages.docid: 59598
negative_passages.text: The vectors are orthonormal