MATLAB程序问题源程序:clear all;close all;n=-20*pi:pi/5:20*pi;fn=sin
求助:用matlab把xn=sin(0.2*pi*n)+sin(0.4*pi*n)+sin(0.6*pi*n)+rand
clear all;t=0:0.1:50;yp=sin(2*pi*2*t);yq=sin(2*pi*2.0125*t);
matlab中问题:x = A1 * sin(2 * pi * f1 * t) + A2 * sin(2 * pi *
三角函数恒等变形证明sin( pi/3 ) + sin( 2*pi/3) + ...+ sin( n * pi/3)=
Matlab u(x,t)=sin(5*pi*x)cos(5*pi*t)+2sin(7*pi*x)cos(7*pi*t)
Matlab中,如何画出三维图形z=21.5+x1.*sin(4*pi.*x1)+x2.*sin(20*pi.*x2)
sin(pi/12)=?
证明sin(pi/n)*sin(2pi/n)*sin(3pi/n)*…sin((n-1)pi/n)=n/(2^(n-1)
matlab求sin(pi)
哪位大哥能把xn=sin(0.2*pi*n)+sin(0.4*pi*n)+sin(0.6*pi*n)+randn(siz
在matlab中sin(t).和sin(t)有什么区别 例如:t=0:pi/20:2*pi y1=sin(t).*sin
matlab问题x=[0:0.2*pi:2*pi];%原始数据y=sin(x);xx=[0:0.01:2*pi];%需要