Matlab/Octave Tutorial

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MATLAB 程式設計入門篇 : 初探 MATLABPlot 基本繪圖 -110.80.60.40.20-0.2-0.4-0.6-0.8-10 1 2 3 4 5 6 7• linspace(0, 2*pi) 產生從0 到 2π 且長度為 100( 預設值 ) 的向量 x• y 是對應的 y 座標• 只給定一個向量• 該向量則對其索引值(Index) 作圖• plot(y) 和 plot(1:length(y), y)會得到相同的結果26
MATLAB 程式設計入門篇 : 初探 MATLABPlot 基本繪圖 -2 (I)• 一次畫出多條曲線• 將 x 及 y 座標依次送入 plot 指令• 範例 3-2:plotxy02.mx = linspace(0, 2*pi);% 在 0 到 2 間 , 等分取 100 個點plot(x, sin(x), x, cos(x), x, sin(x)+cos(x)); % 進行多條曲線描點作圖27
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The following slides are fromProf.
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Some contents of MATLAB's symbolic
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DifferentiationSee >>help sym/diffd
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Multiple differentiationTo find dif
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133
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•If you want diff_f to retain its
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clear, syms a c x g A>> g = exp(-a*
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• >> subs(int_def_g,{a,c},{2,4})a
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642tan(x)0-2-4-6-6 -4 -2 0 2 4 6xWh
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Review Questions•What command do
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Matlab/Octave Tutorial

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