matlab菜鸟,y=sqrt(1+(0.5*sin(power(3.14*x),2)));错在哪里?想求根号（1+(0.15sin(pi*x))^2从0到2的积分）

matlab菜鸟,y=sqrt(1+(0.5*sin(power(3.14*x),2)));错在哪里?想求根号（1+(0.15sin(pi*x))^2从0到2的积分） matlab（1-x）*y''=0.2*sqrt(1+y'^2) 输入y=dsolve('(1-x)*D2y-0.2*sqrt(1+(Dy)^2)=0', matlab fzero 命令运行时错误运用matlab编程求方程的根,程序如下：a=0:10;y=0.17*cos(5.6*sqrt(a)).*cos(0.47*sqrt(a))-0.163*sin(5.6*sqrt(a)).*sin(0.47*sqrt(a))...-0.119*sqrt(a).*sin(5.6*sqrt(a)).*cos(0.47*sqrt(a))-0.104*sqrt(a).*cos(5. 求matlab画二元函数图象：(sqrt(1-y^2)-sqrt(1-x^2))*(x+y) (0要那个matlab编码 matlab双参数曲面怎么画fun=0.2*x/sqrt(x+x*(x-1)*y),其中0 Error using ==> mtimes Inner matrix dimensions must agree 用matlab求解时出现错误x=0:1:12;a=sqrt(10.08+0.5*sqrt(406.43+31.7*x.^2));b=sqrt(-10.08+0.5*sqrt(406.43+31.7*x.^2));c=1./(2*cos(0.115*sqrt(5.63i*x+20.16))); y=0;f=499800*(abs(c)).^2*x*(e y=sqrt(1-x^2)在MATLAB中哪里错了 用Matlab画y=sqrt(x^4+1)-10x^2 的图像 如何用matlab绘制y=sqrt(1+2(sinx)^2)曲线. 用matlab解：y=dsolve('D2y+exp(-t)*Dy-sin(sqrt(t))*y=exp(-t)*sin(sqrt(t))','y(0)=1,Dy(0)=-2','t') >> MATLAB中Y=dsolve('int(sqrt(1+(Dy)^2=Dy*(1-x)+y))','y(0)=0,Dy(0)=0','x')哪里错了? matlab画x=-5:.1:5;y=0:01:10;z=(x^2)*y+sqrt(y)/x怎么画 matlab求左,右极限怎么求求sqrt(x)-2^(-1/x)的极限,其中x趋于+0syms x>> y=sqrt(x)-2^(-1/x);>> limit(y,x,0)的结果是NaN 如何用matlab绘出函数Z=(1/(sqrt(((1-x)^2)+(y^2))))+(1/(sqrt(((1+x)^2)+(y^2))))的三维图? matlab编程问题z(find(z>0))=nan作何解释a1=-0.05;%微凸体1的参数y=a*x^2+b*y^2+cb1=-0.2;c1=5;x=linspace(-sqrt(abs(c1/a1)),sqrt(abs(c1/a1)),100);y=linspace(-sqrt(abs(c1/b1)),sqrt(abs(c1/b1)),100);[x,y]=meshgrid(linspace(-sqrt(abs(c1/a1)),sqr 用matlab画两个曲面的图这是我写的程序,但是运行不出来,麻烦帮我修改一下,clear allclose all[x,y]=meshgrid(0:.1:60);z1=(25*y-25*sqrt(26^2-x^2)+8.5)/(sqrt(26^2-x^2)-7.25);z2=sqrt(3600-120*sqrt(26^2-x^2)+2*sqrt(26^2-x^2)*y-y^2) 求高手解答用Matlab 如何在matlab编程求这个方程组的解啊?已知a,b,c方程组72.8*(1+cos(a)）=2*(SQRT(x*21.8)+SQRT(25.5*y)+SQRT(25.5*z))50.8*(1+cos(b))=2*SQRT(x*50.8)48*(1+cos(c))=2*(SQRT(x*29)+SQRT(47*y)+SQRT(1.92*z))求x,y,z假设 y=sqrt(3)/2.*exp(-4*t.)*sin(4*sqrt(3)*t.+pi/3);t=[-1:0.01:1],用matlab语言怎么编?