>> F = @(x,y)y*sin(x)+x*cos(y); >> Q = dblquad(F,pi,2*pi,0,pi)
PI-LNK409 源代码
汇集 PI-LNK409 相关的电路原理图、PCB工程文件、单片机/FPGA源代码、数据手册与应用设计方案。
>> fh = @(x,y)y*sin(x)+x*cos(y); >> fh(pi,2*pi)
>> x=cos(t); >> y=sin(t); >> z=t; >> ezplot3(x,y,z,[0,6*pi]);
>> f=sym('x+sin(x)') >> subs(f,pi/4),subs(f,pi/2)
t=0:0.1:2*pi; x=t.*sin(3*t); y=t.*sin(t).*sin(t); plot(x,y);
fplot('cos(tan(pi*x))',[ 0,1],1e-4)
function y=ff1(x) y=cos(pi*x/2);
t=0:0.1:2*pi; x=t.*sin(3*t); y=t.*sin(t).*sin(t); plot(x,y);
fplot('cos(tan(pi*x))',[ 0,1],1e-4)
function [a,b] = multarg(x,y) a = (x + y) * pi; b = svd(svd(a));