Using a genetic algorithm coded by matlab , the nonlinear programming problem was calculated 針對此分段非線性函數規劃問題,運用matlab編寫遺傳算法程序進行了計算。
The algorithm codes an image into multi - layer bitstream , and then the multi - layer bitstream is coded ulteriorly with the improved adaptive binary arithmetic 將圖像進行零樹小波編碼后的小波系數符號流采用改進的自適用算術編碼方法進行二次編碼。
The genetic algorithm coding in the real number is engaged to optimize the structure and original parameters of bp neural network , so the network can learn the training patterns more accurately 該方法采用實數編碼的遺傳算法優化bp網絡的結構及初始參數,從而提高了網絡的精度。
So , in order to reduce the time complexity , a parallel clustal algorithm was designed based on a pc of windows operating system and multiple processors . furthermore , the core algorithm codes of fast pairwise alignmet were optimized in clustal 為進一步優化算法的運行時間,設計了基于windows操作系統的、單機多處理器的clustal并行算法,并對clustal程序中的兩兩快速比對的核心算法進行了代碼優化。
3 ) the instruction - level parallel calculation of streamlines on 3d curvilinear grids has been implemented firstly by using the streaming simd extensions ( sse ) , which are a set of extensions of the intel pentium hi / 4 processor . compared with the conventional algorithm , sse - based algorithm coded by vector class library enhances performance about 55 % , and coded by inlined - assembly is about 75 % ) pentium ( pentium4 )處理器的流simd擴展( sse ) ,首次實現了3d曲線網格流線計算的指令級并行,與傳統算法相比,向量類庫編碼實現的sse算法將性能提高了55左右,嵌入匯編實現提高了75左右。