MATLAB運(yùn)算基礎(chǔ)實(shí)驗(yàn)報(bào)告

學(xué)生實(shí)驗(yàn)報(bào)告課程名稱MATLAB程序設(shè)計(jì)實(shí)驗(yàn)日期12年3月14日學(xué)生姓名學(xué)號(hào)所在班級(jí)實(shí)驗(yàn)名稱MATLAB運(yùn)算基礎(chǔ)實(shí)驗(yàn)地點(diǎn)同組人員實(shí)驗(yàn)儀器（軟件、硬件環(huán)境）MATLAB7.1WindowsXP實(shí)驗(yàn)?zāi)康模ㄒ螅┦煜?dòng)和退出MATLAB的方法。熟悉MATLAB運(yùn)行窗口的組成。掌握建立矩陣的方法。掌握MATLAB各種表達(dá)式的書寫規(guī)則以及常用函數(shù)的使用。實(shí)驗(yàn)內(nèi)容和步驟（原理、主要步驟、算法、程序、運(yùn)行結(jié)果、對(duì)結(jié)果的討論，思考題解答等）1.1實(shí)驗(yàn)代碼：z1=(2*sin(85*pi/180))/(1+exp(2))實(shí)驗(yàn)結(jié)果：z1=0.23751.2實(shí)驗(yàn)代碼：[2,1+2i;-0.45,5];x=[2,1+2i;-0.45,5];z2=log10(x+sqrt(1+x^2))/2實(shí)驗(yàn)結(jié)果：z2=0.3090-0.0110i0.3895+0.1589i0.0929+0.4058i0.5012-0.0019i1.3實(shí)驗(yàn)代碼：a=[-3:0.1:3];y=0.5*(exp(0.3*a)-exp(0.3*a));x=sin(a+0.3);z=x.*y實(shí)驗(yàn)結(jié)果：z=Columns1through130000000000000Columns14through260000000000000Columns27through390000000000000Columns40through520000000000000Columns53through610000000001.4實(shí)驗(yàn)代碼：t=0:0.5:2.5;if0<=t&t<1z=t.^2elseif1<=t&t<2z=t.^2-1else2<=t&t<3z=t.^2-2*t+1End實(shí)驗(yàn)結(jié)果：ans=000011z=1.00000.250000.25001.00002.25002.實(shí)驗(yàn)代碼：A=[12,34,-4;34,7,87;3,65,7];B=[1,3,-1;2,0,3;3,-2,7];Z11=A+6*BZ12=A-B+1Z21=A*BZ22=A.*BZ31=A^3Z32=A.^3Z41=A/BZ42=B\AZ51=[A,B]Z52=[A([1,3],:);B^2]實(shí)驗(yàn)結(jié)果：Z11=852-10467105215349Z12=1232-2338851681Z21=684462309-72596154-5241Z22=1210246802619-13049Z31=372262338244860424737014918860076678688454142118820Z32=172839304-643930434365850327274625343Z41=16.4000-13.60007.600035.8000-76.200050.200067.0000-134.000068.0000Z42=109.4000-131.2000322.8000-53.000085.0000-171.0000-61.600089.8000-186.2000Z51=1234-413-13478720336573-27Z52=1234-436574511101920-5403.實(shí)驗(yàn)代碼：Y=[1:1:25];X=reshape(Y,5,5);A=X';B=[3,0,16;17,-6,9;0,23,-4;9,7,0;4,13,11];C=A*BD=[C([4,5],:)]實(shí)驗(yàn)結(jié)果：C=9315077258335237423520397588705557753890717D=5887055577538907174.實(shí)驗(yàn)代碼：A=[100:1:999];P=rem(A,21)==0;C=find(P);D=length(C)ch='WvcdsoudfADFEW2VWE4VVWEuhw';B=find(ch>='A'&ch<='Z');ch(B)=[]實(shí)驗(yàn)結(jié)果：D=43ch=vcdsoudf24uhw心得和建議本次實(shí)驗(yàn)是我們MATLAB程序設(shè)計(jì)課程的第一次實(shí)驗(yàn)，雖然對(duì)MATLAB軟件的運(yùn)用還不是很熟練，但通過(guò)老師的講解和對(duì)課本例題的分析，實(shí)驗(yàn)還是一步步地完成了，實(shí)驗(yàn)中遇到的難題經(jīng)