The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2010
Filed:
Dec. 14, 2005
Teruyoshi Washizawa, Atsugi, JP;
Teruyoshi Washizawa, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
First, calculations to solve a given set of simultaneous linear equations are performed using a conjugate gradient method and it is determined, each time the calculations are iterated, whether or not the calculations diverge. If it is determined that the calculations diverge, the initial value of a variable is set to the minimum value and calculations to solve the set of simultaneous linear equations are performed using a conjugate residual method. This allows the set of simultaneous linear equations to be solved even if it is not known whether or not its coefficient matrix is regular.
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