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astringent銅蟲 (著名寫手)
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[交流]
【求助】msd算法 已有6人參與
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| 寫了一個(gè)計(jì)算均方位移的程序,可是由于程序中用了很多大的數(shù)組,程序總是提示出錯(cuò),老板讓用on the fly算法,請(qǐng)問何為on the fly算法?請(qǐng)大家不吝賜教多謝 |
鐵桿木蟲 (著名寫手)
銅蟲 (著名寫手)
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我試試,多謝。 另外我還有個(gè)問題,我要對(duì)體系中某些原子計(jì)算MSD,但是由于在每個(gè)時(shí)間原點(diǎn)t=0時(shí),這些原子的個(gè)數(shù)不固定,我在累加msd時(shí)可以做到只對(duì)符合條件原子的msd進(jìn)行累加,但是最后求平均用公式MSD(t)=MSD(t)/nparticle*ntime0時(shí),就出現(xiàn)問題了,粒子數(shù)nparticle應(yīng)該怎么辦呢?因?yàn)樵诿總(gè)時(shí)間原點(diǎn)時(shí),nparticle不一樣? |
木蟲 (著名寫手)
銅蟲 (著名寫手)
木蟲 (著名寫手)
銅蟲 (著名寫手)
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A computer can compute results on the fly, or retrieve a previously stored result. It can mean to make a copy of a removable media (CD-ROM, DVD, etc.) directly, without first saving the source on an intermediate medium (a harddisk); for example, copying a CD-ROM from a CD-ROM drive to a CD-Writer drive. When used for encrypted data storage, on the fly the data stream is automatically encrypted as it is written and decrypted when read back again, transparently to software. The acronym OTFE is typically used. On-the-fly programming is the technique of modifying a program without stopping it. 小子的理解: 讀出數(shù)據(jù)后立即處理,不要存在中間媒介(數(shù)組,鏈表之類的),而是讀出后直接處理了就輸出。 over |
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