数值计算主要研究如何利用计算机更好的解决各种数学问题，包括连续系统离散化和离散形方程的求解，并考虑误差、收敛性和稳定性等问题。从数学类型分，数值运算的研究领域包括数值逼近、数值微分和数值积分、数值代数、最优化方法、常微分方程数值解法、积分方程数值解法、偏微分方程数值解法、计算几何、计算概率统计等。随着计算机的广泛应用和发展，许多计算领域的问题，如计算物理、计算力学、计算化学、计算经济学等都可归结为数值计算问题。(Numerical calculations mainly study how to use computers to better solve various mathematical problems, including the discretization of continuous systems and the solution of discrete equations, and consider errors, convergence and stability. From mathematics types, the research fields of numerical computation include numerical approximation, numerical differentiation and numerical integration, numerical algebra, optimization methods, numerical solutions of ordinary differential equations, numerical solutions of integral equations, numerical methods of partial differential equations, computational geometry, calculation of probability and statistics. Wait. With the wide application and development of computers, many computational problems, such as computational physics, computational mechanics, computational chemistry, computational economics, etc., can be attributed to numerical calculations.)