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+function [x]=regularfalsi(a,b,f)
+ N=100;
+ PE=10^-5;
+ for n=2:1:N
+ x=a-(a-b)*f(a)/(f(a)-f(b));
+ disp(x)
+ if abs(f(x))<=PE then break;
+ elseif (f(a)*f(x)<0) then b=x;
+ else a=x;
+ end
+ end
+ disp(n," no. of ittirations =")
+endfunction \ No newline at end of file