Error in fzero function

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Sam Oznc
Sam Oznc il 9 Apr 2018
Commentato: Sam Oznc il 9 Apr 2018
why i got this error and how can i fix this?
Thank you..
a=log(0.5)*log10(30)*sin(pi/6); b=0.5*(atan(0.5))*3^(1/5);
fzero('x^3+2*a-b',-1)
FZERO cannot continue because user-supplied expression ==> x^3+2*a-b failed with the error below.
Error in inline expression ==> x^3+2*a-b Undefined function or variable 'a'.

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James Tursa
James Tursa il 9 Apr 2018
Use a function handle. E.g.,
fzero(@(x)x^3+2*a-b,-1)

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