Matlab/Octave Tutorial

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LimitsThe symbolic toolbox also contains a command forfinding limits of expressions, e.g.:sin(ax)limitx0 x>> clear, syms x a, value=limit(sin(a*x)/x,x,0)There are cases where the limit depends on thedirection from which it is approached. Consider theplot of tan(x) versus x generated by>> ezplot('tan(x)')140
642tan(x)0-2-4-6-6 -4 -2 0 2 4 6xWhat is the value of tan(x) at x = /2? UsingMATLAB's numeric engine:>> tan(pi/2)ans =1.6331e+016141
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Outline• Basics of Matlab (slides
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MATLAB 程式設計入門篇
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Page 125 and 126: The following slides are fromProf.
Page 127 and 128: Some contents of MATLAB's symbolic
Page 129 and 130: DifferentiationSee >>help sym/diffd
Page 131 and 132: Multiple differentiationTo find dif
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Page 135 and 136: •If you want diff_f to retain its
Page 137 and 138: clear, syms a c x g A>> g = exp(-a*
Page 139: • >> subs(int_def_g,{a,c},{2,4})a
Page 143 and 144: Review Questions•What command do
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Matlab/Octave Tutorial

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