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#include #include"ball.h" #include //引用数学库函数 const double pi=3.14159; //定义常量圆周率 void ball::area() //调用计算球面积的函数计算表面积

#include #include"cylinder.h" #include //引用数学库函数 const double pi=3.14159; //定义常数圆周率 void cylinder::area()

/*fs=5120; dt=1.0/fs; n=1024; T=dt*n; t=linspace(0,5*T,n); y1=sin(2*pi*10*t); y2=square(t); y3=square(3*pi*10*t); y4=sawtooth(t); y5=sawtooth(2*pi*10*t); y7=sawtooth(2*pi*5*t,0.5); y6=y1+y2

/*********************************************************************** ** Main Function Program ***********************************************************************/ #include "math.h" #inc

%---------------------------------------------------------------------------- % exa060603.m, for example 6.6.3; % To design IIR Butteworth bandstop DF by analog-lowpass, % -------------------------

%----------------------------------------------------------------- % exa011004_sinc.m, for example 1.10.4 % to generate the sinc function. % 产生一 sinc 函数； %-----------------------

%------------------------------------------------------------------------ % exa050501.m, for example 5.5.1 and fig5.5.1 % to explain the spectra factorization %------------------------------------

%----------------------------------------------------------------------------- % exa060701_3.m , for example 6.7.1 and 6.5.1 % to test butter.m %---------------------------------------------------

%----------------------------------------------------------------------------- % exa060701_2.m , for example 6.7.1 and 6.5.1 % to test buttord,lp2lp,bilinear ; % to design Low-pass DF with s=2/Ts[(

%------------------------------------------------------------------------ % exa100800_corrcoef.m, % to test corrcoef.m ; %------------------------------------------------------------------------