用java做的平面珩架结构有限元分析软件。 基本性能如下：结点数<500,单元数<1000，（具体情况视内存大小而定）在一般的微机 上，算一百节点以下的结构，基本上不用等待。-do with the plane Heng Structure finite element analysis software. The basic properties as follows : nodes lt; 500, Number of units lt; 1000, (depending

Mapack可用来做矩阵运算 Mapack is a .NET class library for basic linear algebra computations. It supports the following matrix operations and properties: Multiplication, Addition, Subtraction, Determinant, Norm1, Norm2, Frobenius Norm, Infinity Norm, Rank,

Given an arbitrary set of symbols (the english alphabet is the example that will be used here), Huffman coding is a way of creating the most efficient (smallest) binary code for that set of symbols. It exploits the fact that in most data some symbols