160 search results - page 32 / 32 » On the diagonalization of the discrete Fourier transform |
SIAMMAX
2010
12 years 12 months ago
2010
Abstract. Linear inverse problems with uncertain measurement matrices appear in many different applications. One of the standard techniques for solving such problems is the total l...
CORR
2010
Springer
12 years 11 months ago
2010
Springer
In this paper we present a method for reformulating the Recommender Systems problem in an Information Retrieval one. In our tests we have a dataset of users who give ratings for s...
CAGD
2008
13 years 5 months ago
2008
The minimum-supported bivariate C2-cubic spline on a 6-directional mesh constructed in our previous work [2] can be used to extend Loop's approximation subdivision scheme to ...
DATAMINE
2007
13 years 5 months ago
2007
Many high level representations of time series have been proposed for data mining, including Fourier transforms, wavelets, eigenwaves, piecewise polynomial models etc. Many researc...
DKE
2007
13 years 5 months ago
2007
The challenge in a database of evolving time series is to provide efficient algorithms and access methods for query processing, taking into consideration the fact that the databas...