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71
Voted
NA
2007
14 years 9 months ago
2007
Abstract. Tikhonov regularization often is applied with a finite difference regularization operator that approximates a low-order derivative. This paper proposes the use of ortho...
81
Voted
NA
2007
14 years 9 months ago
2007
Abstract. OPED is a new image reconstruction algorithm based on orthogonal polynomial expansion on the disk. We show that the integral of the approximation function in OPED can be ...
APAL
2006
14 years 10 months ago
2006
The na
81
Voted
NA
2007
14 years 9 months ago
2007
Runge-Kutta (RK) pairs furnish approximations of the solution of an initial value problem at discrete points in the interval of integration. Many techniques for enriching these met...
74
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NA
2007
14 years 9 months ago
2007
In 2000, Reimer proved that a positive weight quadrature rule on the unit sphere Sd ⊂ Rd+1 has the property of quadrature regularity. Hesse and Sloan used a related property, ca...