random-walk造句
造句與例句
手機(jī)版
- Random - walk model for photon migration in turbid biological media
生物組織中光傳輸?shù)碾S機(jī)行走模型 - The diesis studies many prevalent consumption theories and functions , such as keynesian consumption theories with absolute income hypothesis and relative income hypothesis as representatives , certainty - type consumption decision theories with permanent income hypothesis and life cycle hypothesis as representatives , uncertainty - type consumption decision theories with random - walk hypothesis as representative . some consumption functions under complicate conditions have also been given in die diesis
論文對(duì)以絕對(duì)收入假說(shuō)相對(duì)收入假說(shuō)為代表的凱恩斯主義消費(fèi)理論、以生命周期持久收入假說(shuō)為代表的確定型消費(fèi)決策理論、以隨機(jī)行走假說(shuō)為代表的不確定型消費(fèi)決策理論等主流消費(fèi)理論進(jìn)行了剖析，并給出了一些在復(fù)雜的消費(fèi)決策條件下的消費(fèi)函數(shù)。 - Empirical analysis shows that changes in exchange rates do not follow normal distribution but fractal distribution ; fractal r / s analysis indicates that changes in exchange rates are not a random - walking process , but a biased random process , that exchange prices are not independent of each other , but continuous in state , and that changes in exchange prices are cyclical
實(shí)證分析表明，外匯匯率變化不服從正態(tài)分布，而是服從分形分布；運(yùn)用r / s方法對(duì)匯率變化進(jìn)行分形分析后得出，外匯匯率變化不是一個(gè)隨機(jī)游走的過(guò)程，而是一個(gè)有偏的隨機(jī)過(guò)程，匯率價(jià)格之間不是相互獨(dú)立的，而是具有狀態(tài)持續(xù)性的，匯率價(jià)格的變動(dòng)具有周期性。 - We analyse the dispersion of stock returns and have the tests of serial correlation . the results show that the trading mechanism has a significant effect on a number of characteristics of stock returns . first , the distribution of open - to - open returns has greater variance than that of close - to - close returns . second . the serial correlation pattern is quite different in the two return series . the open - to - open returns have negative autocorrelation coefficient , but the close - to - close returns is positive . further , employing an arma ( 1 , 1 ) model we find that in the opening . returns exhibit higher residual noise and stronger dependence on past returns , reflecting stronger deviations from the random - walk form of the market efficiency hypothesis
主要表現(xiàn)為：一，開盤收益序列比收盤收益序列具有更大的方差。二，兩種收益序列的序列相關(guān)形式不同，開盤收益序列表現(xiàn)為負(fù)相關(guān)，而收盤收益序列表現(xiàn)為正相關(guān)。而且我們通過(guò)arma ( 1 ， 1 )模型的進(jìn)一步檢驗(yàn)，發(fā)現(xiàn)開盤收益序列比收盤收益序列具有更大的殘差，更依賴于過(guò)去的收益序列，也更偏離于市場(chǎng)有效的隨機(jī)游走形式的假設(shè)。 - It's difficult to see random-walk in a sentence. 用random-walk造句挺難的
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