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The following page has been changed by udanax: http://wiki.apache.org/lucene-hadoop/Hbase/Matrix ------------------------------------------------------------------------------ ---- == HbaseLINA, a Command-line Utilities that help perform the numerical analysis == - Using Hbase's Row,Column(Qualifier) two dimensional space, we are able to store large sparse matrix. Also using iterative algorithms like conjugate gradient method on a parallel processing platform like MapReduce, + Using Hbase's Row,Column(Qualifier) two dimensional space, we are able to store large sparse matrix. + [[BR]]Also using iterative algorithms like conjugate gradient method on a parallel processing platform like MapReduce, we should be able to implement '''High Performance''' and '''World's Largest''' Matrix Computations. The HbaseLINA will be added as sub-shell in [:Hbase/HbaseShell:Hbase Shell]. + + === Applications === + + * Scientific simulation and modeling + * Matrix-vector/matrix-matrix multiply + * Soving linear systems + * Information retrieval + * Sorting + * Finding eigenvalues and eigenvectors + * Computer graphics and computational geometry + * Matrix multiply + * computing matrix determinate === Initial Contributors === @@ -25, +38 @@ == Storing and manipulating numeric, sparse matrices on Hbase == A Sparse matrix is created by following the creation command with the keyword "Matrix". - [[BR]]... + + NOTE : + + {{{ + difficulties in tuning sparse matrix. + - indirect and irregular, the inefficient data access + + reordering for matrix partitioning (to create dense structure.) + - graph partitionning algorithms ( use hypergraph for non symmetric matrices ) + - TDF ordering + }}} + + === Hbase Shell Extension ===
