
如何用matlab解这个方程组?谢谢啦!
l*cos(x)^2*sin(x)*(cos(x)^2/sin(x)^2+1)-l*cos(x)^3*(cos(x)/sin(x)-1)+2*l*cos(x)*sin(x...
l*cos(x)^2*sin(x)*(cos(x)^2/sin(x)^2+1)-l*cos(x)^3*(cos(x)/sin(x)-1)+2*l*cos(x)*sin(x)^2*(cos(x)/sin(x)-1)=0
-cos(x)^2*sin(x)*(cos(x)/sin(x)-1)=0
求l和x。最好能把程序给一下被~
急啊!!!!!! 展开
-cos(x)^2*sin(x)*(cos(x)/sin(x)-1)=0
求l和x。最好能把程序给一下被~
急啊!!!!!! 展开
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[x,l]=solve('l*cos(x)^2*sin(x)*(cos(x)^2/sin(x)^2+1)-l*cos(x)^3*(cos(x)/sin(x)-1)+2*l*cos(x)*sin(x)^2*(cos(x)/sin(x)-1)=0','-cos(x)^2*sin(x)*(cos(x)/sin(x)-1)=0','l','x')
x =
0
l
l
l =
1/4*pi
-1/2*pi
1/2*pi
x =
0
l
l
l =
1/4*pi
-1/2*pi
1/2*pi

2023-08-01 广告
计算过程如下:首先,计算4个数值的和:∑Xs = 0.3 + 0.2 + 0.4 + 0.1 = 1然后,计算 lg-1(∑Xs/4):lg-1(∑Xs/4) = lg-1(1/4) = -1其中,lg表示以10为底的对数,即 log10。...
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