Solution search apparatus and initial value setting method thereof
First Claim
1. A solution search apparatus which searches for a solution by a predetermined algorithm, using a parameter having a predetermined search range, the solution search apparatus comprising:
- a parameter search range storing part to store a search range of a parameter;
a parameter storing part to store a plurality of parameters;
a parameter setting part to refer to the search range of the parameter stored in the parameter search range storing part, generate parameter values so that logarithmic values of the parameter values for at least a part of the search range of the parameter may be predeterminedly distributed, and store the parameter to which generated parameter values are set, in the parameter storing part; and
a search part to read the parameter to which the generated parameter values are set by the parameter setting part, from the parameter storing part, and search for the solution by the predetermined algorithm.
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Abstract
In a solution search apparatus, a parameter search range input part acquires a search range of a parameter, and stores it in a parameter search range storing part. Then, with respect to the search range of the parameter stored in the parameter search range storing part, a parameter setting part sets initial values of the parameter so that logarithmic values of parameter values may become a uniform distribution and a normal distribution for at least a part of the search range of the parameter, and stores them in the parameter storing part. A search part reads the parameter stored in the parameter storing part and searches for a solution by a predetermined algorithm.
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Citations
10 Claims
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1. A solution search apparatus which searches for a solution by a predetermined algorithm, using a parameter having a predetermined search range, the solution search apparatus comprising:
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a parameter search range storing part to store a search range of a parameter;
a parameter storing part to store a plurality of parameters;
a parameter setting part to refer to the search range of the parameter stored in the parameter search range storing part, generate parameter values so that logarithmic values of the parameter values for at least a part of the search range of the parameter may be predeterminedly distributed, and store the parameter to which generated parameter values are set, in the parameter storing part; and
a search part to read the parameter to which the generated parameter values are set by the parameter setting part, from the parameter storing part, and search for the solution by the predetermined algorithm. - View Dependent Claims (2)
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3. A solution search apparatus which searches for a solution by a predetermined algorithm, using a parameter having a predetermined search range, the solution search apparatus comprising:
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a parameter search range storing part to store a search range of a parameter;
a parameter storing part to store a plurality of parameters;
a parameter setting part to refer to the search range of the parameter stored in the parameter search range storing part, generate parameter values so that distribution of logarithmic values of the parameter values for a part of the search range of the parameter may become denser compared with distribution of logarithmic values of parameter values for other part of the search range, and store the parameter to which generated parameter values are set, in the parameter storing part; and
a search part to read the parameter to which the generated parameter values are set by the parameter setting part, from the parameter storing part, and search for the solution by the predetermined algorithm. - View Dependent Claims (4, 5, 6)
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7. An initial value setting method of a solution search apparatus, which searches for a solution with updating a parameter value stored in a storing part, by using a genetic algorithm, the initial value setting method comprising:
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acquiring a search range of a parameter and storing the search range of the parameter in a storing part; and
setting initial values of a parameter so that logarithmic values of parameter values may be predeterminedly distributed for the search range of the parameter stored in the storing part, and storing the initial values in the storing part. - View Dependent Claims (8, 9, 10)
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Specification