Free Minima for Convex Functionals, Ritz Method and the Gradient Method

1985 ◽  
pp. 244-269
Author(s):  
Eberhard Zeidler
Keyword(s):  
Gradient Method ◽  
Ritz Method ◽  
Convex Functionals

A STUDY OF DISCRETE ADJOINT-BASED GRADIENT METHOD IMPLEMENTATION FOR AERODYNAMIC OPTIMIZATION

2020 ◽  
Author(s):  
Gilberto Bueno Luque Filho ◽  
Marco Aurélio Leonel Matunaga ◽  
João Luiz F. Azevedo
Keyword(s):  
Gradient Method ◽  
Aerodynamic Optimization ◽  
Discrete Adjoint

EFFECTIVENESS OF "SWIM-UP" AND "GRADIENT" METHODS IN SPERM PREPARATION FOR ARTIFICIAL INSEMINATION

2014 ◽  
pp. 25-29
Author(s):  
Minh Tam Le ◽  
Van Trung Nguyen ◽  
Thi Tam An Nguyen ◽  
Quang Trung Phan ◽  
Ngoc Thanh Cao
Keyword(s):  
Gradient Method ◽  
Artificial Insemination ◽  
Sperm Count ◽  
Gradient Methods ◽  
Infertility Treatment ◽  
University Hospital ◽  
Preparation Methods ◽  
Sperm Preparation ◽  
Abnormal Morphology ◽  
Sperm Washing

Objectives: Artificial insemination with sperm preparation and inseminate to the uterus is a common method of infertility treatment. Currently two methods used for sperm washing is “swim-up” and “gradient”. Materials and methods:cross-sectional description in 166 cycles of artificial insemination in Hue University Hospital from April, 2012 to March, 2013 in order to compare effectiveness between “swim-up” and “gradient” methods. Samples were collected randomly into two methods. Results:Results of sperm preparation in both methods are equivalent in terms of the following parameters total sperm count, total number of progressive sperm, total good morphology sperm. However, “gradient” method results in higher number of progressive sperm in case with slow motility (38.3% vs. 26.1%) or abnormal morphology (34.9% vs. 19.7 %) compared with “swim-up” method. Pregnancy rates after artificial insemination were similar between two preparation methods. Conclusion:In case of slow motility sperm and abnormal morphology, “gradient” method should be used to increase the number of progressive sperms. Pregnancy outcome depends on many factors other than preparation methods. Key words: Artificial insemination, sperm preparation, infertility treatment

Image Seam Carving Based On Content Aware Resizing By Gradient Method

2016 ◽  
pp. 25
Author(s):  
مثيل عماد الدين ◽  
رنا محمد حسن
Keyword(s):  
Gradient Method ◽  
Seam Carving ◽  
Content Aware
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