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%quadv_exam.m %求矢量积分 y=@(x,n)1./(sqrt(2*pi).*(1:n)).*exp(-x.^2./(2*(1:n).^2)); %归一化高斯函数 quadv(@(x)y(x,5),-1,1)

%dblquad_exam2.m %计算二维高斯函数在圆形区域sqrt(x.^2+y.^2)

y=0:pi/4:pi

N=12;%序列长度 n=0:N-1;%时域取样 xn=cos(pi*n/6);%产生序列 k=0:N-1;%频域取样 wn=exp(-j*2*pi/N); nk=n'*k; wnnk=wn.^nk; xk=xn*wnnk %计算DFT figure(1)%画图 stem(n,xn) figure(2) stem(k,abs(xk))

wp=0.2*pi; ws=0.3*pi; rp=0.5; rs=20; [n,wn]=ellipord(wp,ws,rp,rs,'s') [z,p,k] = ellipap(n,rp,rs); w = logspace(-1,1,1000); h = freqs(k*poly(z),poly(p),w); semilogx(w,abs(h)); grid

%quadv_exam.m %求矢量积分 y=@(x,n)1./(sqrt(2*pi).*(1:n)).*exp(-x.^2./(2*(1:n).^2)); %归一化高斯函数 quadv(@(x)y(x,5),-1,1)

%dblquad_exam2.m %计算二维高斯函数在圆形区域sqrt(x.^2+y.^2)

|pp pi[32] => po[21].DATAIN pi[31] => po[15].DATAIN pi[30] => po[27].DATAIN pi[29] => po[5].DATAIN pi[28] => po[7].DATAIN pi[27] => po[22].DATAIN pi[26] => po[12].DATAIN pi[25] => po[32].DATAI

library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.all; entity pp is port( pi : in std_logic_vector( 1 to 32 ); po : out std_logic_vector(

% Fig. 8.5 Feedback Control of Dynamic Systems, 4e % Franklin, Powell, Emami % clear all; close all; th=0:.1:pi; Im=sin(th); Re=cos(th); figure(1) plot(Re,Im,'-',.5*Re,.5