What's going on inside quantum computers? New method simplifies process tomography

Quantum computers work by applying quantum operations, such as quantum gates, to delicate quantum states. Ideally, quantum ...
IEEE

Low-Complexity Approximations of the WECS Method for SAR Change Detection

Abstract: This letter introduces low-complexity approximations for the Wavelet Energy Correlation Screening (WECS) method, which aims at change detection in multitemporal SAR images. The WECS method ...
Scientific Research Publishing

Sun, H.C. and Sun, J.G. (2025) A VTI Medium Prestack Migration Method Based on the De Wolf Approximation. Computers & Geosciences, 196, Article ID: 105835.

ABSTRACT: To overcome the problem of calculation errors in the Born approximation when the forward accumulation effect is strong in VTI media, this article combines the De Wolf approximation method ...
acm.org

Methods of evaluating polynomial approximations in function evaluation routines

The method of nested multiplication is commonly used in function evaluation routines to evaluate approximation polynomials. New polynomial evaluation methods have been developed in recent years which ...
Frontiers

Approximation properties relative to continuous scale space for hybrid discretisations of Gaussian derivative operators

This paper presents an analysis of properties of two hybrid discretisation methods for Gaussian derivatives, based on convolutions with either the normalised sampled Gaussian kernel or the integrated ...
Scientific Research Publishing

Rvachev, V.L. and Rvachev, V.A. (1982) Non-Classical Methods in the Theory of Approximations in Boundary Value Problems. Naukova Dumka.

ABSTRACT: Based on theorems, the Atomic AString Functions theory, evolving since the 1970s, is introduced into Quantum Mechanics to represent a wave function via the shifts and stretches of smooth ...
Scientific American

String Theorists Accidentally Find a New Formula for Pi

The number pi (π) appears in the most unlikely places. It can be found in circles, of course—as well as in pendulums, springs and river bends. This everyday number is linked to transcendental ...
istockphoto

Pi Approximation Day vector. stock illustration...

Pi Approximation Day vector, green chalkboard. Pi symbol, and formula. Vector, illustration. 22 July. Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and ...
istockphoto

Pi Approximation Day Vector Illustration on July 22 with Mathematical Constants, Greek Letters or Baked Sweet Pie in Flat Cartoon Background stock illustration...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...