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cjpcbl金蟲 (正式寫手)
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[求助]
程序求助
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clear x=sym('x'); a=0.2 f=vpa(111630.217989+3115.06934037*a-(0.000000396*a+0.0000001735)*x^4+(0.00285*a+0.00132803)*x^3-(5.6*a+3.9025)*x^2-(1790.0*a-6212.5)*x,12), y=vpa(fzero('f',4000),6) 運(yùn)行提示錯(cuò)誤 Error using fzero (line 289) FZERO cannot continue because user supplied function_handle ==> f failed with the error below. Undefined function 'f' for input arguments of type 'double'. 怎么就解決? 請(qǐng)問‘f’怎么取到f的函數(shù)值? |
金蟲 (正式寫手)
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