實驗一 MATLAB運算基礎

實驗一MATLAB運算基礎二、1、(1)(1)z1=2*sin(85/180*pi)/(1+exp(2))z1=0.2375(2)x=[21+2i;-0.455];(2)x=[21+2i;-0.455];z2=0.5*log(x+sqrt(1+x^2))(3)a=-3:0.1:3;z3=(exp(0.3.*a)-exp(-0.3.*a))./2.*sin(a+0.3)+log(0.15+0.5.*a)z2= 0.7114-0.0253i 0.8968+0.2139+0.9343i 1.1541-(3)a=-3:0.1:3;z3=(exp(0.3.*a)-exp(-0.3.*a))./2.*sin(a+0.3)+log(0.15+0.5.*a)z3=Columns1through50.7388+3.1416i 0.7696+3.1416i 0.7871+3.1416i 0.7913+3.1416i3.1416i（中間部分省略）Columns56through600.6119+0.0000i 0.5777+0.0000i 0.5327+0.0000i 0.4774+0.0000i0.0000iColumn610.3388+0.0000i

0.7822+0.4126+(4)t=0:0.5:2.5;(4)t=0:0.5:2.5;z4=(t>=0&t<1).*t.^2+(t>=1&t<2).*(t.^2-1)+(t>=2&t<3).*(t.^2-2.*t+1)z4=0 0.2500 0 1.2500 1.0000 2.2500whos（查看工作空間使用情況）NameSizeBytesClassAttributesa1x61488doublet1x648doublex2x264doublecomplexz11x18doublez22x264doublecomplexz31x61976doublecomplexz41x648doublesavebianliangsavebianliang2、(1)A=[1234-4;34787;3657];(1)A=[1234-4;34787;3657];B=[13-1;203;3-27];A+6*Bans=1852-10467105215349I=ones(3);A-B+II=ones(3);A-B+Ians=1232-2338851681(2)(3)(4)省略。(5)[A,B](5)[A,B]ans=1234-413-13478720336573-27[A([1,3],:);B^2][A([1,3],:);B^2]ans=1234-436574511101920-5403、A=1:25;A=1:25;A=reshape(A,5,5);B=[3016;17-69;023-4;970;41311];C=A*B;[m,n]=size(C);D=C(m-2:m,n-1:n);WhosC=333602257366639289399676321432713353465750385D=676321713353750385Name Size Bytes Class AttributesA5x5200doubleB5x3120doubleC5x3120doubleD3x248doublem1x18doublen1x18double4、a=100:999;b=find(rem(a,21)==0);c=length(b)a=100:999;b=find(rem(a,21)==0);c=length(b)c= 43d=input('輸入一個字符串d=input('輸入一個