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用于求解非线性代数方程的全部解的函数，提供给大家学习使用(solutions, available to everyone learning to use)

说明：  一个虎门大桥涡街的udf和fluent仿真教程，适合初学者(A fluent udf example)

经典99行拓扑优化程序，采用Heaviside方程获得接近0-1离散解(The classical 99-line topology optimization program uses Heaviside equation to obtain nearly 0-1 discrete solution)

模糊数学中典型的卡车倒车入库模拟仿真程序，充分利用了一定的经典的模糊规则，来实现卡车倒车的模拟(typical truck reversing the arsenal of simulation procedures and make full use of a certain classic fuzzy rules to achieve the reversal of simulated truck)

说明：  c++编程bp神经网络，用c++语言编写的bp神经网络(C++ programming bp neural network, bp neural network written in c++ language.)

迭代学习控制算法的matlab程序，单输入单输出的。(Iterative learning control algorithm matlab procedures, single-input single-output.)

有限元n维实体材料单元，仅供科研用途，拒绝商业使用(N-dimensional finite element solid material element, for scientific purposes, refusing commercial use)

迭代最小二乘法,反演中应用极广泛，非常经典(Iterative least-squares method，An extremely wide range of inversion, very classic)

说明：  ADAM （Adaptive Moment Estimation）是另外一种自适应学习率算法，它结合动量梯度 下降法，在不同参数方向上采用不同学习率，保留前几次迭代的梯度，能够很好 的适应于稀疏数据。(ADAM (Adaptive Moment Estimation) is another adaptive learning rate algorithm, which combines momentum gradient. The descent method, which uses different learning rates in different parameter directions and retains the gradients of previous iterations, is very good. It is suitable for sparse data.)

利用matlab编写的二维网格的时域有限差分算法(Matlab prepared using a two-dimensional grid finite-difference time-domain algorithm)