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Questions - svd

How to get Embeddings and Context matrices from Word2Vec in Python?

I am trying to extract from my Word2Vec model the Word/Embeddings Matrix (the one that has as rows each word vector, for word as center word) and the Context Matrix (the one that has as rows each word...
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Jorge Avillez Pereira

python

matrix

word2vec

svd

Votes: 0

Answers: 1

Latest Answer

From the class name KeyedVectors in your error messages, it appears you're using the Gensim library. The attribute name .syn0 was only used in older versions (and syn1 only some modes of some objects)...
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gojomo

When will numpy.linalg.inv() and numpy.linalg.pinv() give very different values?

for the equation Ax = b, let A = USV.t, i need to calculate inverse of (S.T@S). I noticecd that using np.linalg.inv() and np.linalg.pinv() gives extremely different results. np.allclose() infact retur...
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Ritwick Jha

python

numpy

linear-algebra

svd

Votes: 0

Answers: 1

Latest Answer

kind of figured it out. np.linalg.pinv, works by SVD decomposition and if A = USVt then pinv(A) = V S^-1 Ut, and the shape of U and V are changed such that S^-1 is either mxm or nxn matrix. also, ther...
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Ritwick Jha

How to define the value of Scipy.sparse svds k

Scipy.sparse svds How do we choose a suitable value for k, because numpy svds can determine the number of k by retaining 90% of the energy in the matrix, so how does Scipy.sparse svds choose k?
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yang

python

numpy

matrix

scipy

svd

Votes: 0

Answers: 0

How to use output of TruncatedSVD() as input to neural network?

I have a dataset(contains sentences) on which I need to perform vectorization and then dimensionality reduction through TruncatedSVD() to reduce no. of features to 100. Then i want to use that svd ou...
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BISHAL Adhikari

machine-learning

scikit-learn

neural-network

svd

dimensionality-reduction

Votes: 0

Answers: 1

Latest Answer

Try MLPClassifier: from sklearn.decomposition import TruncatedSVD from sklearn.neural_network import MLPClassifier from sklearn.pipeline import Pipeline X_train, X_test, y_train, y_test = # Your data...
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Sanjar Adilov

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