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操作

std::gamma_distribution

提供: cppreference.com
< cpp‎ | numeric‎ | random

 
 
ニューメリックスライブラリ
一般的な数学関数
浮動小数点環境
複素数
数値配列
擬似乱数生成
コンパイル時有理数演算 (C++11)
汎用の数値演算
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
擬似乱数生成
エンジンとエンジンアダプタ
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Engines and engine adaptors
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linear_congruential_engine(C++11)
mersenne_twister_engine(C++11)
subtract_with_carry_engine(C++11)
discard_block_engine(C++11)
independent_bits_engine(C++11)
shuffle_order_engine(C++11)
ジェネレータ
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Generators
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random_device(C++11)
ディストリビューション
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Distributions
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一様分布
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Uniform distributions
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uniform_int_distribution(C++11)
uniform_real_distribution(C++11)
generate_canonical(C++11)
ベルヌーイ分布
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Bernoulli distributions
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bernoulli_distribution(C++11)
binomial_distribution(C++11)
negative_binomial_distribution(C++11)
geometric_distribution(C++11)
ポアソン分布
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Poisson distributions
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poisson_distribution(C++11)
exponential_distribution(C++11)
gamma_distribution(C++11)
weibull_distribution(C++11)
extreme_value_distribution(C++11)
正規分布
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Normal distributions
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normal_distribution(C++11)
lognormal_distribution(C++11)
chi_squared_distribution(C++11)
cauchy_distribution(C++11)
fisher_f_distribution(C++11)
student_t_distribution(C++11)
サンプリング分布
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Sampling distributions
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discrete_distribution(C++11)
piecewise_constant_distribution(C++11)
piecewise_linear_distribution(C++11)
シードシーケンス
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Seed Sequences
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seed_seq(C++11)
Cライブラリ
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C library
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rand
srand
RAND_MAX
 
std::gamma_distribution
メンバ関数
Original:
Member functions
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gamma_distribution::gamma_distribution
gamma_distribution::reset
世代
Original:
Generation
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gamma_distribution::operator()
特性
Original:
Characteristics
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gamma_distribution::alpha
gamma_distribution::beta
gamma_distribution::param
gamma_distribution::min
gamma_distribution::max
非メンバ関数
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Non-member functions
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operator==
operator!=
operator<<
operator>>
 
Defined in header <random>
template< class RealType = double >
class gamma_distribution;
(C + + 11以来)
ランダムな正の整数値x、確率密度関数に従って分布を生成します
Original:
Produces random positive integer values x, distributed according to probability density function:
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P(x|α,β) =
e-x/β
βα
· Γ(α)
αの形として知られているパラメータとβは'スケールパラメータとして知られています.
Original:
where α is known as the shape parameter and β is known as the scale parameter.
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整数αのために、得られた値はαの平均値をそれぞれ有するβ独立した指数分布の確率変数の和である
Original:
For integer α, the value obtained is the sum of α independent exponentially distributed random variables, each of which has a mean of β
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目次

[編集] メンバータイプ

メンバー·タイプ
Original:
Member type
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Definition
result_type RealType
param_type
不特定のパラメータセットのタイプ
Original:
the type of the parameter set, unspecified
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[編集] メンバ関数

新しいディストリビューションを構築します
Original:
constructs new distribution
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(パブリックメンバ関数) [edit]
リセットさ分布の内部状態
Original:
resets the internal state of the distribution
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(パブリックメンバ関数) [edit]
世代
Original:
Generation
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ディストリビューションの次の乱数を生成します
Original:
generates the next random number in the distribution
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(パブリックメンバ関数) [edit]
特性
Original:
Characteristics
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α分布パラメータ(形状)を返します
Original:
returns the α distribution parameter (shape)
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(パブリックメンバ関数) [edit]
β分布パラメータ(スケール)を返します
Original:
returns the β distribution parameter (scale)
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(パブリックメンバ関数) [edit]
分布パラメータオブジェクトを取得または設定します
Original:
gets or sets the distribution parameter object
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(パブリックメンバ関数) [edit]
最小潜在的に生成された値を返します
Original:
returns the minimum potentially generated value
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(パブリックメンバ関数) [edit]
最大潜在的に生成された値を返します
Original:
returns the maximum potentially generated value
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(パブリックメンバ関数) [edit]

[編集] 非メンバ関数

2つのディストリビューションオブジェクトを比較します
Original:
compares two distribution objects
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(機能) [edit]
擬似乱数分布にストリーム入出力を行います
Original:
performs stream input and output on pseudo-random number distribution
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(機能) [edit]

[編集]

[編集] 外部リンク

Weisstein, Eric W. "Gamma Distribution."MathWorldのから - WolframのWebリソース.
Original:
Weisstein, Eric W. "Gamma Distribution." From MathWorld--A Wolfram Web Resource.
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