1、disp(A+6*B);disp(A-B+I=disp(A-B+eye(3);A*B=disp(A*B);A.*B=disp(A.*B);A3=disp(A3);A.3=disp(A.3);A/B=disp(A/B);BA=disp(BA);A,B=disp(A,B);A(1,3,:B2=disp(A(1,3,:B2);T3:z=1:25;A=reshape(z,5,5);B=3,0,16;17,-6,9;0,23,-4;9,7,0;4,13,11;C=A*BD=C(3:5,2:3)T4-1:a=100:999;b=find(rem(a,21)=0);c=length(b)T4-2:a=inp
2、ut(请输入一个字符串:,sb=find(a=A&ab disp(帕萨卡矩阵P性能更好elseif a希尔伯特矩阵H性能更好else两个矩阵性能相同enda=1:A=reshape(a,5,5)行列式的值:disp(det(A);矩阵的秩:disp(rank(A);矩阵的迹:disp(trace(A);矩阵的范数:disp(norm(A);T4:A=-29,6,18;20,5,12;-8,8,5V,D=eig(A)T5:A=1/2,1/3,1/4;1/3,1/4,1/5;1/4,1/5,1/6B=0.95,0.67,0.52X1=ABB(3)=0.53X2=AB系数矩阵A的条件数:disp(c
3、ond(A);T6:B1=sqrtm(A)B1=sqrtm(A)B2=sqrt(A)B2=sqrt(A)B1*B1B1*B1B2.*B2B2.*B2实验三:T1:x=-5.0:2:5.0for i=1:length(x); if (x(i)=0)&(x(i)5)&(x(i)=2)&(x(i)=3); y(i)=x(i)2-5*x(i)+6; else y(i)=x(i)2-x(i)-1; endyT2-if:s=input(please enter the score:while (s100) disp(the score is not reasonable s=input(if (s=90&
4、s=80&90);B=70&80);C=60&70);DET2-switch:switch fix(s/10)case9,10case8case7case6case0,1,2,3,4,5t=input(请输入工时time=if t120 w=120*84+(t-120)*1.15*84;elseif t60 w=t*84-700; w=84*t;应发工资为:disp(w);a=10+floor(rand(1)*89)b=10+floor(rand(1)*89)请输入+或-或*或/while(s=+s=-*/)输入的符号错误,请重新输入switch s case c=a+b; c=a-b; c=
5、a*b; c=a/b; cA=rand(5,6)n=input(请输入n:while (n5 B=A(5,: B=A(n,:End实验四:m=0;n; m=m+1/i2;pii=sqrt(6*m)T1-2:m=1./(1:n).2;s=sum(m);pii=sqrt(6*s)T2:n=1000;y=0; y=y+1/(2*i-1); if y=3 disp(最大n值为: i-1对应的y值为: y-1/(2*i-1) break;format long请输入a:b=input(请输入b:x(1)=a/(1.0+b);i=1;x(2)=a/(x(i)+b);while (abs(x(i+1)-x(
6、i)0.00001&i500) i=i+1; x(i+1)=a/(x(i)+b);r1=(-b+sqrt(b2+4*a)/2;r2=(-b-sqrt(b2+4*a)/2;disp(x,num2str(i+1),num2str(x(i+1),8);,num2str(i),num2str(x(i),8);r1=,num2str(r1,8),r2=,num2str(r2,8);format shortf(1)=1;f(2)=0;f(3)=1;i=4;while(i0)fn=length(find(ff0=length(find(f=0)j=0;s=0;for i=3:50 m=i*(i-1)-1;
7、if isprime(m)=1 m s=s+m; j=j+1;亲密数的对数:,num2str(j);所有亲密素数之和:,num2str(s);实验五:fn1:function f=fn1(n)f=n+10*log(n.2+5);fn2:function f=fn2(n)f=0;n f=f+i*(i+1);fx:function f=fx(x)f=1./(x-2).2+0.1)+1./(x-3).4+0.01);x=input(请输入一个复数:fe=exp(x)flg=log(x)fsin=sin(x)fcos=cos(x)m1=input(请输入m1:m2=input(请输入m2:请输入theta:A=m1*cos(t),-m1,-sin(t),0;m1*sin(t),0,. cos(t),0;0,m2,-sin(t),0;0,0,-cos(t),1B=0,m1*9.8,0,m2*9.8a1,a2,N1,N2=disp(ABj=1;n=1;k=1;for i=10:99 % 挑选出1099中所有的素数 if isprime(i)=1 m(j)=i; j=j+1; endfor t=1:length(m); s(n)=10*rem(m(t),10)+
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