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2下载：
一维波动方程计算的程序，有限差分法,很有用的程序-Program of one-dimensional wave equation, finite difference method fdtd
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用Crank-Nicolson差分格式计算抛物型方程初值问题的解，偏微分方程解-Throw the diffusion equation initial value problem solution, calculated with the Crank-Nicolson Difference Scheme for Partial Differential Equations
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一中空的横截面为正方形的长导体盒，与横截面垂直的方向上可认为是无限长。用求解横截面上电位的差分法和超松弛迭代计算拉普拉斯方程，-A hollow cross-section of a long conductor of square boxes, vertical cross-sectional direction can be considered infinitely long. Calculation of the Laplace equation by solving the cross
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* A. Salih, Dept. of Mechanical Engg., NIT - Trichy, India. *
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* THIS PROGRAM SOLVES TWO-DIMENSIONAL LINEAR WAVE EQUATION IN A *
* DOUBLY PERIODIC DOMAIN USING FINITE DIFF
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1D有限差分波动方程模拟，输输出结果为时间，位移可直接使用。
-1D finite difference wave equation modeling, input output time, the displacement can be used directly.
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求解流场二维无粘欧拉方程，中心差分，人工耗散-Solving the flow field in two-dimensional inviscid Euler equation, central difference, artificial dissipation
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2D finite difference implementation of Richards equation for steady-state flow-2D finite difference implementation of Richards equation for steady-state flow
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用五点差分公式数值求解了一个laplace方程，改编后可以用于求解其他laplace方程-Five-point difference formula for numerical solution of a laplace equation can be used to solve other laplace equation adapted
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use CUDA to develop a GPU computing program. The program solves a laplacian equation using finite-difference method.
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In this file, the case of polymer casting is considered as an unsteady
state heat transfer problem. The explicit scheme of finite difference
approach is considered to solve the governing partial differential
equation in one dimensional (
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主控方程为一维线化Euler方程，采用无反射边界条件，时间推进采用前差格式，内部流场计算采用中心差分格式。-govern equation for the one-dimensional linearized Euler equations, the use of non-reflective boundary conditions, time advancing front differential format, the internal flow field is calculated u
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计算流体力学习题 程序软件，vb编写！非定常热传导方程初边值的有限差分求解-Computational fluid dynamics exercises program software, vb prepared! Non-stationary finite difference method for transient heat conduction equation initial and boundary value
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有限差分法解泊松方程、拉普拉斯方程
定义边界后利用五点差分法求解-The five-point difference method for solving the Poisson equation
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对流扩散方程的Crank-Nicolson差分格式程序-Crank-Nicolson difference scheme of the convection-diffusion equation program
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清华大学版 偏微分方程数值解 中扩散方程的隐式差分格式程序-Tsinghua University Edition partial differential equations numerical solution of the diffusion equation implicit difference scheme program
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二维扩散方程紧致差分格式程序 误差（ti^2+h^4）-Compact difference scheme for two-dimensional diffusion equation program error (ti ^ 2+h ^ 4)
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使用有限差分法和分裂步傅里叶解法求解抛物方程，并增加散射体和地形的建模仿真。-Using the finite difference method and the split-step Fourier solution for solving the parabolic equation, and increase the scatterer and terrain modeling and simulation.
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一维热传导方程紧致格式的有限差分程序，含计算结果-The compact format of the one-dimensional heat conduction equation finite difference program, including the calculation results
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fdtd有限差分法解波动方程。此处考虑的事二维的情况，观察波形的动态变化。-fdtd finite difference method for solving wave equation. Thing to consider here is two-dimensional, dynamic changes observed waveform.
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题目要求：首先由用户输入六个值，以作三角形的三个顶点坐标，构成一个三角形；然后由用户输入一个点坐标，由程序来判断该点是否在该三角形内，并输出结果，至此，程序运行结束！
算法思想：
1：判断用户输入是否为三角形是根据三角形三边关系（两边之和大于第三边，两边之差小于第三边）来判断。
2：判断点是否在三角形内：将所要判断的点的坐标和三角形一顶点坐标带入该顶点所对应的那条边所在的直线方程中，并将两结果相乘，循环判断三次（每次所选的三角形顶点坐标需不同），得到的三个结果均大于0，则说
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