北京科技大學(xué)matlab作業(yè)----2-----

1、University of Science and Technology Beijing數(shù)學(xué)實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)名稱MATLAB繪圖學(xué) 院專業(yè)班級(jí)計(jì)算機(jī)1201姓名學(xué)號(hào) 412550252014年4月【實(shí)驗(yàn)?zāi)康摹?、了解掌握MATIAB基本繪圖指令、基本繪圖控制參數(shù)，掌握坐標(biāo)軸的控制，了解線條屬性，學(xué)會(huì)使用圖形標(biāo)注，成功繪制出曲線；2、學(xué)習(xí)繪制MATLAB二維特殊圖形；3、了解三維曲線、三維曲面繪圖。【實(shí)驗(yàn)任務(wù)】1、繪制y=ex/3sin(3x) (x 0,4 n )的圖像，要求用藍(lán)色的星號(hào)畫圖；并且畫出其包絡(luò)線y= ex的圖像，用紅色的點(diǎn)劃線畫圖；2、在同一圖形窗口化三個(gè)子圖，要求使用指令gtext

2、、axis legend title、xlabe、和 ylabel：(1) y=xcosx, x (- n , n )(2) y=xtan(1/x)sinx3, x ( n , 4n )(3) y=e1/xsinx, x 1,83、繪制圓錐螺線的圖像并加各種標(biāo)注，圓錐螺線的參數(shù)方程為：x=tcos(x /6)t y=tsinn ( n /6)t,(0 t 20 n )z=2t三、【實(shí)驗(yàn)程序】1、2、3、三、【實(shí)驗(yàn)結(jié)果】1、2、3、File Edit View Insert Tools Desktop Window Help已P j沙超毀尿J鳳匡I | 酉四、【實(shí)驗(yàn)總結(jié)】這次實(shí)驗(yàn)主要是學(xué)習(xí)mat

3、lab軟件的繪圖功能：二維繪圖、三維 繪圖； matlab軟件還有豐富的圖形修飾功能，如改變線條的形式和顏色；除此之 外其還可以以多種形式如在一個(gè)圖形中顯示多個(gè)函數(shù)圖形，一個(gè)figure中顯示多個(gè)坐標(biāo)系，還有一個(gè)程序中就可以用多個(gè)figure 一起來表示不同的函數(shù)matlab繪制三維圖形時(shí)功能尤為強(qiáng)大，可以繪制三維線形圖、三 維網(wǎng)眼圖、三維表面圖、三維輪廓圖、三維混合圖十分直觀的反映出 三維圖形讓我們更加容易對(duì)三維圖形的理解?？偟亩詍atlab是一款十分有用的繪圖軟件。實(shí)驗(yàn)中遇到的困難就是指令比較多，格式剛剛開始接觸 覺得陌生，相信多做練習(xí)一定能掌握這個(gè)軟件的使用要領(lǐng)。clcx1=-pi:2

4、*pi/50:pi;y1=x1.*cos(x1);y2=x.*tan(1./x).*sin(x43);x2=pi:3*pi/50:4*pi;x3=1:8/50:8;y3=exp(1./x).*sin(x);plot(x1,y1,x2,y2,x3,y3),grid on gtext(y=xcosx),gtext(y=xtan(1/x)sin(xA3),gtext(y=eA(1/x)sinx) title(三條曲線)axis autoWhen you are old and grey and full of sleep,And no ddi ng by the fire, take dow n t

5、his book,And slowly read, and dream of the soft lookYour eyes had once, and of their shadows deep;How many loved your mome nts of glad grace,And loved your beauty with love false or true,But one man loved the pilgrim soul in you,And loved the sorrows of your cha nging face;And bending dow n beside t

6、he glow ing bars,Murmur, a little sadly, how love fledAnd paced upon the mountains overheadAnd hid his face amid a crowd of stars.The furthest dista nee in the worldIs not betwee n life and deathBut whe n I sta nd in front of youYet you dont know thatI love you.The furthest dista nee in the worldIs

7、not whe n I sta nd in front of youYet you cant see my loveBut whe n un doubtedly knowing the love from bothYet cannot be together.The furthest dista nee in the worldIs not being apart while being in loveBut whe n I pla inly cannot resist the year ningYet prete nding you have n ever bee n in my heart.The furthest dista nee in the worldIs not strugg