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1、matlab畫圖函數(shù)plot使用方法plot函數(shù)可以接一些參數(shù)，來改變所畫圖像的屬性（顏色，圖像元素等）。下面是一些屬性的說明b????blue（藍(lán)色）??????.????point（點(diǎn)）??????-????solid（實(shí)線）g????green（綠色）?????o????circle（圓圈）???:????dotted（點(diǎn)線)r????red（紅色）???????x????x-mark（叉號）???-.???dashdot(點(diǎn)畫線）c????cyan（墨綠色）????+????plus(加號）????
2、??--???dashed(虛線）m????magenta（紫紅色）*????star（星號）?????(none)noliney????yellow（黃色）????s????square（正方形）k????black（黑色）?????d????diamond（菱形）v????triangle(down)^????triangle(up)????triangle(right)p????pentagramh????hexagram???Examplex=-pi:pi/1
3、0:pi;y=tan(sin(x))-sin(tan(x));plot(x,y,'--rs','LineWidth',2,...'MarkerEdgeColor','k',...'MarkerFaceColor','g',...'MarkerSize',10)???xlabel('x');??????????ylabel('y');·用Matlab畫圖時，有時候需要對各種圖標(biāo)進(jìn)行標(biāo)注，例如，用“+”代表A的運(yùn)動情況，“*”代表B的運(yùn)動情況。legend函數(shù)的基本用法是LEGEND(string1,strin
4、g2,string3,...)分別將字符串1、字符串2、字符串3……標(biāo)注到圖中，每個字符串對應(yīng)的圖標(biāo)為畫圖時的圖標(biāo)。例如:plot(x,sin(x),'.b',x,cos(x),'+r')legend('sin','cos')這樣可以把"."標(biāo)識為'sin'，把"+"標(biāo)識為"cos"還可以用LEGEND(...,'Location',LOC)來指定圖例標(biāo)識框的位置這些是Matlabhelp文件。后面一段是對應(yīng)的翻譯和說明???????'North'?????????????insideplotboxnear
5、top'South'?????????????insidebottom'East'??????????????insideright'West'??????????????insideleft'NorthEast'?????????insidetopright(default)'NorthWest??????????insidetopleft'SouthEast'?????????insidebottomright'SouthWest'?????????insidebottomleft'NorthOutsi
6、de'??????outsideplotboxneartop'SouthOutside'??????outsidebottom'EastOutside'???????outsideright'WestOutside'???????outsideleft'NorthEastOutside'??outsidetopright'NorthWestOutside'??outsidetopleft'SouthEastOutside'??outsidebottomright'SouthWestOutside'??out
7、sidebottomleft'Best'??????????????leastconflictwithdatainplot'BestOutside'???????leastunusedspaceoutsideplot???????'North'????????????圖例標(biāo)識放在圖頂端???????'South'???????????圖例標(biāo)識放在圖底端???????'East'??????????????圖例標(biāo)識放在圖右方???????'West'?????????????圖例標(biāo)識放在圖左方???????'
8、NorthEast'??????圖例標(biāo)識放在圖右上方（默認(rèn)）???????'NorthWest?????圖例標(biāo)識放在圖左上方???????'SouthEast'?????圖例標(biāo)識放在圖右下角???????'SouthWest'????圖例標(biāo)識放在圖左下角(以上幾個都是將圖例標(biāo)識放在框圖內(nèi)）???????'NorthOutside'?????????圖例標(biāo)識放在圖框外側(cè)上方???????'SouthOutside'
