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| Number | Title | Issue Date |
| 7933944 | Combined fast multipole-QR compression technique for solving electrically small to large structures for broadband applications An approach that efficiently solves for a desired parameter of a system or device that can include both electrically large fast multipole method (FMM) elements, and electrically small QR elements. The system or device is setup as an oct-tree structure that can inclu... | 04/26/2011 |
| 7856466 | Information processing apparatus and method for solving simultaneous linear equations 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 calculation... | 12/21/2010 |
| 7840626 | Methods for spectral image analysis by exploiting spatial simplicity Several full-spectrum imaging techniques have been introduced in recent years that promise to provide rapid and comprehensive chemical characterization of complex samples. One of the remaining obstacles to adopting these techniques for routine use is the difficulty ... | 11/23/2010 |
| 7725517 | Methods for spectral image analysis by exploiting spatial simplicity Several full-spectrum imaging techniques have been introduced in recent years that promise to provide rapid and comprehensive chemical characterization of complex samples. One of the remaining obstacles to adopting these techniques for routine use is the difficulty ... | 05/25/2010 |
| 7698356 | Smart evaluation in computer algebra In a computing system, evaluating a mathematical expression in presented hierarchically according to the rules of precedence of operations, initial operations at the bottom of the hierarchy may yield values too large to be calculated conventionally, even if the ulti... | 04/13/2010 |
| 7603402 | Solution program recording media for simultaneous linear equations having band coefficient matrix The solution program causes a computer to execute step 1 for performing, in parallel, the LU decomposition on the column block comprising a plurality of columns and for storing the result in the working area; step 2 for canceling the row permutation on... | 10/13/2009 |
| 7496619 | System and methods of nonuniform data sampling and data reconstruction in shift invariant and wavelet spaces A system and methods for converting data for an object of interest, which is characterized by a function ƒ, between a digital form and an analog form. In one embodiment, the method includes the steps of locally selecting a plurality of data sample points in the ord... | 02/24/2009 |
| 7472153 | Method for exploiting bias in factor analysis using constrained alternating least squares algorithms Bias plays an important role in factor analysis and is often implicitly made use of, for example, to constrain solutions to factors that conform to physical reality. However, when components are collinear, a large range of solutions may exist that satisfy the basic ... | 12/30/2008 |
| 7447724 | Error function calculation device and error function calculation method An error function calculation device, which performs processing of calculating an error function FM(T) having T (positive real number) as a variable and M (M is an integer of 0 or more) as an order, includes a coefficient table and a calculation section. ... | 11/04/2008 |
| 7366748 | Methods and apparatus for fast argument reduction in a computing system There is disclosed method, software and apparatus for evaluating a function f in a computing device using a reduction, core approximation and final reconstruction stage. According to one embodiment of the invention, an argument reduction stage uses an approximate re... | 04/29/2008 |
| 7363226 | Psychosomatic diagnosis system A psychosomatic diagnosis system in which evaluation of the psychosomatic condition of a person to be diagnosed is performed automatically and objectively, based on the response by voice with respect to a question and the like asked to the person to be diagnosed. Th... | 04/22/2008 |
| 7362844 | Tomography appliance, and method for a tomography appliance A tomography appliance and method for a tomography appliance make it possible to calculate, in a simple and efficient manner, detector-element-related coefficients of an intensity function dependent on the detector output signal and to calculate the X-ray-emitter-re... | 04/22/2008 |
| 7359929 | Fast solution of integral equations representing wave propagation A technique for solving a set of wave equations in a region uses points arranged in a grid spanning the region or coefficients of wave expansion for objects located in the region. The grid points or the coefficients are partitioned into blocks on multiple levels, an... | 04/15/2008 |
| 7353149 | Method and apparatus for simulating dynamic contact of objects Contact of rigid bodies is simulated with friction. A contact point is determined as a mid point between closest points on each body. An integrated relative velocity (IRV) vector is computed, and is minimized by applying forces to both bodies. If the IRV value excee... | 04/01/2008 |
| 7346593 | Autoregressive model learning device for time-series data and a device to detect outlier and change point using the same For sequentially input data string, the outliner and the change point are detected through calculation of the outlier score and the change point score by combining a time-series model learning device to learn the generation mechanism of the read data series as the t... | 03/18/2008 |
| 7343531 | Method for interleaving data frame and circuit thereof A method, adapted to a 3GPP turbo coder, for interleaving a plurality of data of a data frame and a circuit thereof is provided. The present invention computes a value of Row Parameter according to the size of the data frame, computes an index for a table according ... | 03/11/2008 |
| 7343530 | Turbo decoder and turbo interleaver A processor on which a software-based interleaver is run performs interleaver generation, which is split into two parts to reduce the overhead time of interleaver changing. First, preprocessing prepares seed variables, requiring a small memory. Second, on-the-fly ad... | 03/11/2008 |
| 7337265 | Organization of cache memory for hardware acceleration of the finite-difference time-domain method Disclosed herein is an organization of cache memory for hardware acceleration of the FDTD method. The organization of cache memory for hardware acceleration of the FDTD method provides a substantial speedup to the finite-difference time-domain (FDTD) algorithm when ... | 02/26/2008 |
| 7337437 | Compiler optimisation of source code by determination and utilization of the equivalence of algebraic expressions in the source code A method, apparatus, and computer program product for determining, in a computer environment, the equivalence, if any, of two algebraic expressions. The expressions are recast into a form of one or more token pairs arranged sequentially in a string, such that each t... | 02/26/2008 |
| 7318218 | System and method for processor thread for software debugging A system and method for using a processor thread as a debugger is presented. A computer system boots up and initiates a debugger thread. The debugger thread loads a robust, debugger operating system and executes the debugger operating system. Once the debugger threa... | 01/08/2008 |
| 7296047 | Method and apparatus for solving overdetermined systems of interval linear equations One embodiment of the present invention provides a system that solves an overdetermined system of interval linear equations. During operation, the system receives a representation of the overdetermined system of interval linear equations Ax=b, wherein A is a matrix ... | 11/13/2007 |
| 7277906 | Method for determining an output value having a lowest error value from an input value The present invention teaches a method for generating an output value corresponding to an input value via a first function comprising a first section and a second section with the use of a lookup table, comprising: prestoring a plurality of first sampling points cor... | 10/02/2007 |
| 7246111 | Capturing database system information A system emulation tool and method provides a user interface having various options that are selectable by a user for exporting environment information from one or more target database systems. The user interface in one arrangement includes multiple screens that are... | 07/17/2007 |
| 7236998 | System and method for solving a large system of dense linear equations A method and system for solving a large system of dense linear equations using a system having a processing unit and one or more secondary processing units that can access a common memory for sharing data. A set of coefficients corresponding to a system of linear eq... | 06/26/2007 |
| 7225196 | Data conversion method and computer system therefor A data conversion job used for data conversion is separated into a data conversion server job for executing conversion processing on a data conversion server and a storage job for instructing a copy of a table on a storage device. Then, the storage job is executed t... | 05/29/2007 |
| 7222145 | Method and apparatus for solving systems of equations in fixed-point form One embodiment of the present invention provides a system for solving a system of equations in fixed-point form. During operation, the system receives a representation of the equations in fixed-point form and stores the representation a computer memory. Next, the sy... | 05/22/2007 |
| 7219119 | Procedure for computing the Cholesky decomposition in a parallel multiprocessor system The invention relates to a procedure for computing the Cholesky decomposition of a positive definite matrix into a product of a lower and an upper triagonal matrix having a dimension of L in a multi-channel procedure, wherein: the ... | 05/15/2007 |
| 7219115 | Method for stable and accurate solution for an ill-conditioned system of normal equations associated with a prediction filter whose output is defined as a time advanced version of the input A method for obtaining a stable and accurate solution for an ill-conditioned system of normal equations associated with digital Weiner filter for a time invariant system and/or an autoregressive operator of an autoregressive model. A time invariant stochastic model,... | 05/15/2007 |
| 7174428 | Method and system for transforming memory location references in instructions Embodiments of the present invention provide a method, apparatus and system for memory renaming. In one embodiment, a decode unit may decode a load instruction. If the load instruction is predicted to be memory renamed, the load instruction may have a predicted stor... | 02/06/2007 |
| 7171435 | Circuits, systems, and methods implementing approximations for logarithm, inverse logarithm, and reciprocal A digital signal system (30) for determining an approximate logarithm of a value of x having a base b is described. The system comprises circuitry for storing x as a digital representation, identifying a most significant digit (MSD) of the digital representat... | 01/30/2007 |
| 7155420 | Boosted perceptron In one embodiment, a system and method for solving linear programs includes a perceptron algorithm configured to move toward a solution to the linear program. A transform algorithm is configured to stretch portions of a vector space within which the linear program i... | 12/26/2006 |
| 7152023 | System and method of accelerated active set search for quadratic programming in real-time model predictive control An active set algorithm exploits a ‘hot start’ for the set of binding constraints at optimality along with efficient linear algebra to make rapid progress towards the solution. The linear algebra is designed to deal with degenerate constraints as the required fa... | 12/19/2006 |
| 7146529 | System and method for processor thread acting as a system service processor A system and method for a processor thread acting as a system service provider is presented. A computer system boots up and initiates a service thread. The service thread is responsible for service related tasks, such as ECC checks and hardware log error checks. The... | 12/05/2006 |
| 7133888 | Method and programmable apparatus for quantum computing A method and apparatus for quantum computing. A computer-program source code, data, and unsubstantiated output variables are converted into a class of computable functions by a program compiler. The computable functions are encoded, and a continualization method is ... | 11/07/2006 |
| 7107300 | Circuits, systems, and methods implementing approximations for inverse logarithm A digital signal system (50) determines an approximate antilog x from a value of ƒ(x), where x has a base b. ... | 09/12/2006 |
| 7099851 | Applying term consistency to an equality constrained interval global optimization problem One embodiment of the present invention provides a system that solves a global optimization problem specified by a function ƒ and a set of equality constraints q1(x)=0 (i=1, . . . , r), wherein ƒ is a scalar function of a vector x=(x1, x... | 08/29/2006 |
| 7089159 | Method and apparatus for matrix reordering and electronic circuit simulation A matrix reordering method performs reordering of elements of a coefficient matrix created based on coefficients of linear simultaneous equations whose solutions are to be produced by parallel processing of processors of a computer in accordance with Gaussian elimin... | 08/08/2006 |
| 7089275 | Block-partitioned technique for solving a system of linear equations represented by a matrix with static and dynamic entries One embodiment of the present invention provides a system that uses a block-partitioned technique to efficiently solve a system of linear equations. The system first receives a matrix that specifies the system of linear equations to be used in performing a time-base... | 08/08/2006 |
| 7079145 | Method and program solving LCPs for rigid body dynamics A projected iterative descent method is used to resolve LCPs related to rigid body dynamics, such that animation of the rigid body dynamics on a display system occur in real-time. ... | 07/18/2006 |
| 7076516 | Efficient method of identifying non-solution or non-optimal regions of the domain of a function A method of identifying one or more regions of the domain of a function that do not contain solutions is described along with a related subdivision method. These methods may be employed in the context of branch and bound methods that use interval analysis to search ... | 07/11/2006 |
