进入网站WolframAIpha
1、直接输入下面的微分方程组
x_i'= sum sin(x_j-x_i) j to 10; i to 10
执行结果:
2、线性方程组
solve {{1,6,2,1},{4,-3,-5,-7},{2,1,-2,-8},{1,-1,-4,-3}}.{x1,x2,x3,x4}={0,0,0,1}
进入网站WolframAIpha
x_i'= sum sin(x_j-x_i) j to 10; i to 10
执行结果:
solve {{1,6,2,1},{4,-3,-5,-7},{2,1,-2,-8},{1,-1,-4,-3}}.{x1,x2,x3,x4}={0,0,0,1}