matlab中积分syms h x sx=(h-1.5)*sqrt(1.5^2-x^2-(h-1.5)^2)+sqrt(1.5^2-x^2)*asin((h-1.5)/sqrt(1.5^2-x^2))提示警告:Warning:Explicit integral could not be found.还有v1 =int((h-3/2)*(-x^2-h^2+3*h)^(1/2)+1/2*(9-4*x^2)^(1/2)*asin(2*(h-3/2)/(9-4*x

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matlab中积分symshxsx=(h-1.5)*sqrt(1.5^2-x^2-(h-1.5)^2)+sqrt(1.5^2-x^2)*asin((h-1.5)/sqrt(1.5^2-x^2))提示警

matlab中积分syms h x sx=(h-1.5)*sqrt(1.5^2-x^2-(h-1.5)^2)+sqrt(1.5^2-x^2)*asin((h-1.5)/sqrt(1.5^2-x^2))提示警告:Warning:Explicit integral could not be found.还有v1 =int((h-3/2)*(-x^2-h^2+3*h)^(1/2)+1/2*(9-4*x^2)^(1/2)*asin(2*(h-3/2)/(9-4*x
matlab中积分
syms h x sx=(h-1.5)*sqrt(1.5^2-x^2-(h-1.5)^2)+sqrt(1.5^2-x^2)*asin((h-1.5)/sqrt(1.5^2-x^2))
提示警告:Warning:Explicit integral could not be found.
还有
v1 =
int((h-3/2)*(-x^2-h^2+3*h)^(1/2)+1/2*(9-4*x^2)^(1/2)*asin(2*(h-3/2)/(9-4*x^2)^(1/2))+1/2*pi*(9/4-x^2),x = 5/8 ..13/8).
哪位大侠知道该怎么改呢?

matlab中积分syms h x sx=(h-1.5)*sqrt(1.5^2-x^2-(h-1.5)^2)+sqrt(1.5^2-x^2)*asin((h-1.5)/sqrt(1.5^2-x^2))提示警告:Warning:Explicit integral could not be found.还有v1 =int((h-3/2)*(-x^2-h^2+3*h)^(1/2)+1/2*(9-4*x^2)^(1/2)*asin(2*(h-3/2)/(9-4*x
改不了,你的这个函数太复杂了,没有原函数的解析解

matlab中积分syms h x sx=(h-1.5)*sqrt(1.5^2-x^2-(h-1.5)^2)+sqrt(1.5^2-x^2)*asin((h-1.5)/sqrt(1.5^2-x^2))提示警告:Warning:Explicit integral could not be found.还有v1 =int((h-3/2)*(-x^2-h^2+3*h)^(1/2)+1/2*(9-4*x^2)^(1/2)*asin(2*(h-3/2)/(9-4*x MATLAB 中syms matlab 中,syms x 是不是相当于x=sym('x') matlab中syms什么意思? matlab求积分syms x; a=int(1/(1-x^2)*(log(1+x)-log(1-x)); a matlab中怎么对f=@(x)(x*x)求导呀?不想用syms matlab中 syms x; f=log(x) 为什么是错的?然而syms x;f=log2(x)却是对的?为什么、. matlab中函数有多个变量如何只对其中一个积分,并得到函数.function f=cd(y,z)syms x;syms y;syms z;m=((x-1531.2)/0.2)^-8/16+0.5*((x-1531.5)/0.2)^-8/16;n=((x-y)/0.2)^-8/16+0.5*((x-z)/0.2)^-8/16;l=(n-m)^2;f=int(sym(l),x,0,inf);这段 关于matlab积分的使用,syms w x m oj b r q ob o h s0 b0 t p M kf1=x*{exp(w*m*i-0.5*w^2*oj^2)-1-w*m*i};f2=b - r -q +0.5*o^2 - h*o^2 + subs(f1,'w',-i*h-i)-subs(f1,'w',-i*h);f3=x * exp( m * h + 0.5 * h^2 * oj^2) * ( exp( i* w * (m + h * oj^2 ) - 0. matlab int积分太慢,积不出来,怎么办?clear clc syms x format long H=[0:0.01:1.2]; v=pi*4.1/180;a=0.4;b=2.05;n=1.2;m=1.78; for i=1:15 h=H(i); S2=(pi/2+(h+(a-x)*tan(v)-n/2)/n*2.*sqrt(1-((h+(a-x)*tan(v)-n/2)/n*2).^2)+asin((h+(a-x)*tan(v)-n/2)/n matlab计算erfc积分的问题(急!)想用MATLAB计算上式我在MATLAB中写的是L=0.482208146 %diffusion layerD=1e-3 %diffusion coefficient syms y x t a; y=erfc(L/2*sqrt(D*x))*exp(a*(x-t)); % the function that is integrate matlab中画图,用plot,如下面程序 syms t x; p=t*x; y=int(p,x,0,1); 我想用plot把积分后的函数y 画出来程序如下:syms t x;p=t*x; y=int(p,x,0,1);我想用plot把积分后的函数 y 画出来怎么画;直接写plot(t,y)说我没 matlab 计算定积分怎么运行很慢,我的程序如下:syms x S2=sqrt(1+(1.767*x^2-3.68*x+2.74 matlab 变限积分 syms x T; F1=int('(-2.4)/exp((-0.008)*(x-720))(1+exp(0.008*(x-720)))^2',0,T) 在matlab中如何实现函数的抽样syms x ;y=sin(x)./x;fplot(y,[-10,10]); 为什么用matlab求这个积分算不出来啊 syms x; int(sqrt(1+pi^2*cos(x).^2),0,2); matlab中定积分计算中把横轴t转换为SYMS后怎么转回来怎么把SYM转换为双精度? matlab中syms (['x',num2str(i)])命令最外层小括号与中括号的作用分别是什么