m=m+(y(i+1)+y(i))*(x(i+1)-x(i))/2;
程序的内容:
ans =
1.99983550388744
m=m+h/3*(y(i)+4*y(i+1)+y(i+2));
m=m+(y(leng-1)+y(leng))*h/2;
函数内容为:
ans =
程序内容为:
y=y+sin((x(i)+x(i+1)+h/2/sqrt(3))/2)+sin((x(i)+x(i+1)-h/2/sqrt(3))/2);%利用
运行结果为:
y =
>> a=@(x)sin(x);
>> quad(a,0,pi)
ans =
>> syms x
>> diff(sqrt(x))
ans =
1/2/x^(1/2)
>> diff(exp(x))
ans =
exp(x)
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