数值计算，可以用同伦方法计算偏微分方程的解

java优化编程,是一本很好的java编程指导丛书.也是很难的的资料-java optimization programming, is a very good java programming guide books. The information is very difficult

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The Kalman filter is a mathematical power tool that is playing an increasingly important role in computer graphics as we include sensing of the real world in our systems. The good news is you don’t have to be a mathematical genius to understand and effectively use Kalman filters. This tutorial is designed to provide developers of graphical systems with a basic understanding of this important mathematical tool.

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CH372 是一个USB 总线的通用设备接口芯片，是CH371的升级产品，是CH375芯片的功能简化版。在本地端，CH372 具有8 位数据总线和读、写、片选控制线以及中断输出，可以方便地挂接到单片机/DSP/MCU/MPU等控制器的系统总线上；在计算机系统中，CH372 的配套软件提供了简洁易用的操作接口，与本地端的单片机通讯就如同读写文件。 　　CH372 内置了USB 通讯中的底层协议，具有省事的内置固件模式和灵活的外置固件模式。在内置固件模式下，CH372自动处理默认端点0 的所有事务，本地端单片机只要负责数据交换，所以单片机程序非常简洁。在外置固件模式下，由外部单片机根据需要自行处理各种USB 请求，从而可以实现符合各种USB 类规范的设备。-err

详细介绍了CD4052的工作原理和应用，本手册无任何密码。请大家一起进行探讨。-CD4052 details of the working principle and applications, the manual without any password. Let us join hands to explore.

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《控制系统仿真》――21世纪全国高等院校自动化系列实用规划教材- Control System Simulation - 21 colleges and universities nationwide automated series of practical planning materials

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