博文
- 在Mac上轻松安装gcc,gfortran等编译器及各种开源软件
- 最近发现多年前发的一个关于 mac 上 fortran 编程的帖子浏览量破万了，为了不再误导大家，在这里介绍一个比之前好一万倍的方法 -- 使用 MacPorts Q: MacPorts 是什么？ A: MacPorts 是 Mac OS 上的第三方软件管理工具，可以帮你轻松编译、安装和管理开源软件，比如常用的 gcc gfortran ...
- Install NVIDIA driver for Fedora 14
- Several tips for installing NVIDIA driver for Fedora 14 are listed below: 1. Make sure X server is turned off before the installation. The easiest way to do this is to press CTRL+ALT+F2 and log in as root. Type "init 3" in the command line to swtich to the level 3 mode in which X server is off ...
- Vi
- Convert upper to lower case in Vi: :%s/ /L/g
- How to bind CUDA 3D array to texture memory
- 热度 3
- 众所周知，Global memory没有Cache，访问速度很慢，Shared memory访问速度很快，但是容量很小，对于较大的数组，将其绑定至texture memory往往是个不错的选择。Texture memory可以cache，而且容量很大。 在当前的CUDA版本中，3D的线性内存是无法直接绑定到texture memory，一维的可以，因此，需要将数据首先放进一个3D的CU ...
- A simple method "perl pie "to replace strings in multiple files on Linux system
- find ./SRC/ -name *.f90 | xargs perl -pi -e 's/iargc()/COMMAND_ARGUMENT_COUNT()/g' try to replace each occurrence of iargc() with COMMAND_ARGUMENT_COUNT() in directory ./SRC for all files with suffix .f90. Parentheses should be included by to indicate they are normal characters in ...
- 自适应步长Runge-Kutta-Fehlberg method for solving ODE system的matlab实现
- 用于解决ODE系统。 function =rkf45 (ftys,a,Alpha,b,h,delta,M) %--------------------------------------------------------------------------- %RKF45 % Runge-Kutta-Fehlberg solution for a system Y' = F(T,Y) with Y(a) = Y_a. % Sample call % = rkf45('f',a,Alpha,b,h,delta,M) % Inputs % f name ...
- A Numerical Integration Problem
- Compute w_i and x_i (i=0,1,2) such that the formula is exact is f is a polynomial of degree equal or less than 5. Give w_i and x_i to 12 significant digits. In Mathematica, we can solve this problem by the following steps: 1) get the orthgonal polynomials Orthogonalize #1 #2,{x,-1,1}]] ...
- Mac上Fortran编程
- 热度 1
- 迫不得以需要在Mac上使用Fortran，几经周折，终于搞定。 首先我们需要gfortrancomplier和xcode的gfortranplugin,网上有一个安装包.http://www.macresearch.org/xcode_gfortran_plugin_update Xcode里新建一个project,选取standardtool，得到一个包含main.c文件的project. ...
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