%initial guess B1=14.1067 B=14.1068:-0.01:5.84 % value of function Value of function on B1= Xm1 For I= 1:length(B) Xm0= value of function (at I=1: length B) If Xm0*Xm1 error B2= (B1+B0)/2 XM2= value of function at B2 If Xm0*XM2< 0 B0= B2 Xm0= XM2 End If Xm1*XM2<0 Xm1=XM2 B1=B2 End K=K+1 End

Help! Error in bisection method

Karishma Joshi

2020 4 12

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更新时间：2021 8 20

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%initial guess B1=14.1067 B=14.1068:-0.01:5.84 % value of function Value of function on B1= Xm1 For I= 1:length(B) Xm0= value of function (at I=1: length B) If Xm0*Xm1< 0 Print(root is exist) End End B0= B(I) K=0 While (B1-B0)/B1> error B2= (B1+B0)/2 XM2= value of function at B2 If Xm0*XM2< 0 B0= B2 Xm0= XM2 End If Xm1*XM2<0 Xm1=XM2 B1=B2 End K=K+1 End

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Karishma Joshi 2020-4-12

I used this code but I can't get correct answer. Value of function is more then one at my root

Geoff Hayes 2020-4-13

Karishma - please format the code as it isn't clear what is a comment and what isn't. Also, it looks like there is some syntax that is not valid for MATLAB.

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