下列Matlab代码，能求解微分方程 y'(t) = 2*t , y(0) = 1的是( ) A: tspan = [0 5]; y0 = 0; [t,y] = ode45(@(t,y) 2*t, tspan, y0); B: tspan = [0 5]; y0 = 1; [t,y] = ode45(@(t,y) 2*t, tspan, y0); C: tspan = [0 5]; y0 = 1; [t,y] = ode45(@(t,y) 2*y, tspan, y0); D: tspan = [0 5]; y0 = 1; [t,y] = ode45(@(t,y) 2*t*y, tspan, y0);

公告：维护QQ群：833371870，欢迎加入！
公告：维护QQ群：833371870，欢迎加入！
公告：维护QQ群：833371870，欢迎加入！

2022-07-23 问题

下列Matlab代码，能求解微分方程 y'(t) = 2t , y(0) = 1的是( ) A: tspan = [0 5]; y0 = 0; [t,y] = ode45(@(t,y) 2t, tspan, y0); B: tspan = [0 5]; y0 = 1; [t,y] = ode45(@(t,y) 2t, tspan, y0); C: tspan = [0 5]; y0 = 1; [t,y] = ode45(@(t,y) 2y, tspan, y0); D: tspan = [0 5]; y0 = 1; [t,y] = ode45(@(t,y) 2ty, tspan, y0);

2022-07-23 问题

在MATLAB中可以用来求微分方程数值解的函数为（） A: ode45 B: deval C: tspan D: plot