matlab 中t=[w./1 w./1.3 w./1.6]；

matlab 中t=[w./1 w./1.3 w./1.6]； 如何在matlab中化简这个复数z=k*(t*j*w+1)*(-j*w)*(1-t1*j*w)*(1-t2*w*j)?谢谢 Matlab 共轭梯度法求解任意线性方程组!function x = cg(A,b)tol=1e-10;r = b + A*b;w = -r;z = A*w;s = w'*z;t = (r'*w)/s;x = -b + t*w;for k = 1:numel(b);r = r - t*z;if( norm(r) < tol )return;endB = (r'*z)/s;w = -r + B*w;z = A*w;s = w'*z;t = ( matlab 积分>> w=linspace(0.3434,2.2196,80);>> t=1:1000;>> for i=1:1000syms xy(i)=int('x.*(-1.61.*sum((0.1276./w.^5.*exp(-0.0018./w.^4).*0.0238).^0.5.*w.^2.*cosh((w.^2./235.2).^0.5.*x)./sinh((w.^2./235.2).^0.5.*24).*(sin(w*t(i)+2*pi*rand()))))',x,0, matlab粒子滤波中,请问状态方程的x(t)和观测方程的y(t)表达什么意思?x(t)=f(x(t-1),u(t),w(t)) (1) 状态转移方程,u(t)为控制量,w(t) 为模型噪声y(t)=h(x(t),e(t)) (2) 观测方程,e(t)为观测噪声 帮我改一下这个matlab程序echo on;syms t w T; g=0.5*(1-cos(2*pi*t/T));G=fourier(g,t,w);f=w/(2*pi);Sv=1/T*2*cos(pi*f*T)^2*abs(G)^2;%求出Sv=2/T*cos(1/2*w*T)^2*abs(-1/2*fourier(cos(2*pi*t/T),t,w)+pi*dirac(w))^2ezplot(f,Sv);最后画图的函数 matlab中 w=0:5; c=0.1; x1=(w^2)/sqrt((1-w^2)^2+(2*c*w)^2); plot(w,x1)提示Error using ==> mpowerMatrix must be square.Error in ==> Untitled at 3x1=(w^2)/sqrt((1-w^2)^2+(2*c*w)^2); matlab中 错误使用 ^ 输入必须为标量和方阵.要按元素进行 POWER 计算,请改用 POWER (.^). 在线等原程序如下 A(w)=K/sqrt((1-(w/Wn)^2)^2+4*x^2.*(w/Wn)^2);G(w)=-atand(2*x*(w/Wn)/(1-(w/Wn)^2));figure(1)plot(w,A(w));figure(2)plo MATLAB的最小二乘法t=x*cos(w)-y*sin(w)-au=x*sin(w)+ycos(w)-b已知 A=(t,n)=[1 0; 1 1; 2 1];B=(x,y)=[1.001 -1.002; 0.001 -1.000; 0.001 0.002];用MATLAB利用最小二乘法求 w和a b;写出具体的实现代码 matlab 用变量替换表达式syms w t nsyms T positive;a0=(1/(T/2))*(int(0,-T/2,0)+int(1,0,T/2));a_n=(1/(T/2))*(int(0*cos(n*w*t),-T/2,0)+int(1*cos(n*w*t),0,T/2))b_n=(1/(T/2))*(int(0*sin(n*w*t),-T/2,0)+int(1*sin(n*w*t),0,T/2))fx=a0/2+symsum(a_n*cos( matlab运行程序时出现To RESHAPE the number of elements must not change.麻烦高手帮忙看看该怎么改?clearclcsyms a1 a2 a3 a4 a5 th t hth=360h=360/7w=2*pi/ths=h*t/th-(a1/(1*w)^2)*sin(1*w*t)-(a2/(2*w)^2)*sin(2*w*t)-(a3/(3*w)^2)*sin(3*w*t) matlab中如何把下面两个方程不定积分,画图 f1=cos(atan(a*sin(w*t)/h)); f2=sin(atan(a*sin(w*t)/h)); P=w/t中w是总功还是有用功 dy(t)/dt = k y(t) [1 - y(t)/w] y(0) = y0 用MATLAB能编程能求出y(t)吗? MATLAB中syms t y y=fourier(exp(-2*abs(t))) y = 4/(w^2 + 4) 中的W指什么?syms t yy=fourier(exp(-2*abs(t)))运行结果：y =4/(w^2 + 4) matlab里两个匿名函数句柄能相加吗.如>> f=@(t,w)b*w-k*w^2;>> f1=@(t,w)b*w^2-w+k*w^3;怎么能用 f2=f+f1,来得出f2； 求助Matlab的dirac函数syms i0 i1 t i0 = cos(20*pi*t); i1 = i0*0.1*t; I0 = fourier(i0); I1 = fourier(i1); 运行后得到 I0 = pi*(dirac(w+20*pi)+dirac(w-20*pi)) I1 =1/10*i*pi*(dirac(1,w+20*pi)+dirac(1,w-20*pi)) I0的意思很好理解,I1中dirac( 这个方程在matlab中怎么解atan((((150*cos(9*w)-6*cos(27*w))^2+(150*sin(9*w)-6*sin(27*w))^2)^(1/2)*cos(w)+15*(1/2/((150*cos(9*w)-6*cos(27*w))^2+(150*sin(9*w)-6*sin(27*w))^2)^(1/2)*((300*cos(9*w)-12*cos(27*w))*(-1350*sin(9*w)+162*sin(27*w))+(300