matlab程序設(shè)計與提高-資料下載頁
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【正文】 n the Editor. Use type to display the Mfile in the Command Window. 錯誤檢驗 Preferences for the Command Window Command History doc Display online documentation in MATLAB Help browser help Display help for MATLAB functions in Command Window helpbrowser Display Help browser for access to extensive online help helpwin Display Mfile help, with access to Mfile help for all functions 獲取幫助 info Display information about The MathWorks or products lookfor Search for specified keyword in all help entries support Open MathWorks Technical Support Web page web Point Help browser or Web browser to file or Web site whatsnew Display information about MATLAB and toolbox releases 四、演示 例 1． 1 微積分運算舉例。 求函數(shù) f(x)= 的原函數(shù)、定積分的精確解與數(shù)值解，導(dǎo)數(shù)。 (1)求原函數(shù)： syms x。sy=int(1/(1x^2)^(1/2)) (2)定積分的精確解。 211x?211 x? ＞＞ z=int(39。1/(1x^2)^(1/2)39。,0,) （ 3） 求函數(shù)的導(dǎo)數(shù)。 syms x。 df=diff(1/(1x.^2)^(1/2)) df1=subs(df,39。39。) numeric(df1)
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