问题遇到的现象和发生背景
问题相关代码,请勿粘贴截图
x=sym('x');y=sym('y');t=sym('t');u=sym('u');
x=int(exp(-t^2),0,u);
y=int(sin(u-t),0,u);
plot(y,u)
x=sym('x');y=sym('y');t=sym('t');u=sym('u');
x=int(exp(-t^2),0,u);
y=int(sin(u-t),0,u);
plot(y,u)
你好,可以这样做
syms x y t u
x=int(exp(-t^2),t, 0,u);
y=int(sin(u-t),t,0,u);
dy = diff(y,u)/diff(x,u);
dy = matlabFunction(dy);
y = matlabFunction(y);
fplot(dy, [-1,1]); hold on
fplot(y, [-1,1]);
grid('on')
xlabel('u')
legend('y''', 'y')
效果