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18811406325新蟲 (正式寫手)
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[求助]
MATLAB小白求助畫圖的一個簡單問題 已有1人參與
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情況是這樣的,小弟我要用MATLAB把一個周期360度內(nèi)的波形圖分成36段每段10度,然后求取每段的有效值,最后再將它畫成柱狀圖,橫坐標(biāo)是段數(shù)縱坐標(biāo)是有效值。 求取有效值的公式我是有的。 我是初學(xué)者,所以問題也不難。懇請大神們講解一下思路還有用到的指令。 |
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>> help bar BAR Bar graph. BAR(X,Y) draws the columns of the M-by-N matrix Y as M groups of N vertical bars. The vector X must be monotonically increasing or decreasing. BAR(Y) uses the default value of X=1:M. For vector inputs, BAR(X,Y) or BAR(Y) draws LENGTH(Y) bars. The colors are set by the colormap. BAR(X,Y,WIDTH) or BAR(Y,WIDTH) specifies the width of the bars. Values of WIDTH > 1, produce overlapped bars. The default value is WIDTH=0.8 BAR(...,'grouped') produces the default vertical grouped bar chart. BAR(...,'stacked') produces a vertical stacked bar chart. BAR(...,LINESPEC) uses the line color specified (one of 'rgbymckw'). H = BAR(...) returns a vector of patch handles. Use SHADING FACETED to put edges on the bars. Use SHADING FLAT to turn them off. Examples: subplot(3,1,1), bar(rand(10,5),'stacked'), colormap(cool) subplot(3,1,2), bar(0:.25:1,rand(5),1) subplot(3,1,3), bar(rand(2,3),.75,'grouped') See also HIST, PLOT, BARH. Overloaded methods help fints/bar.m |

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