Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error

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Jim Wilson Owusu
Jim Wilson Owusu 2021-5-9
评论： Jim Wilson Owusu 2021-5-9
clear all
close all
clc
tol=input ('Determine tolerance number:') ;
n=input('Determine iteration number:');
n=100;
f=@(x) (x+1-2*sin(pi*x));
a=0;
b=0.5;
if f(a) * f(b)>0
warning('ít is not applicable:')
elseif f(a)==0
fprintf('The root is %d', a)
elseif f(b)==0
fprintf('The root is %d', b)
end
pre=0;
for i=1:n
c=(a+b)/2;
if f(c)==0
fprintf('The root is: %d\n' c)
elseif f(c)*f(b)<0
a=c;
elseif f(c)*f(a)<0
b=c;
end
if abs(c-pre)<=tol
break;
end
pre=c;
end
fprintf('The root is %g with the %.3d tolerance',c,tol)

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采纳的回答

Walter Roberson
Walter Roberson 2021-5-9
fprintf('The root is: %d\n' c)
^
^
You need a comma

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