refactor so it looks clean

closed_estimators.m

@@ -0,0 +1,50 @@
+clear clc
+# Bi section
+pkg load symbolic;
+
+f = @(x) 3*x.^2 - e.^x
+a = 0
+b = 1
+# bisection method
+function root = bisection(f,a,b)
+	counter = 0;
+	while(true)
+		c = (a + b) / 2;
+		if (abs(f(c)) < eps) #break at f(c) < eps
+			break
+		endif
+		if(f(c) * f(a) < 0) #find where c lies from the range
+			b = c;
+		else
+			a = c;
+		endif
+counter+=1;
+endwhile
+counter
+root = c
+endfunction
+
+function root = false_position(f,a,b)
+	counter = 0;
+	while(true)
+		c = (a*f(b) - b*f(a)) / (f(b) - f(a));#literally the only difference from bisection
+		if (abs(f(c)) < eps) #break at f(c) < eps
+			break
+		endif
+		if(f(c) * f(a) < 0) #find where c lies from the range
+			b = c;
+		else
+			a = c;
+		endif
+counter += 1;
+endwhile
+counter
+root = c
+endfunction
+
+printf("FALSE POSITION!!!!")
+false_position(f,a,b);
+printf("BIIIIIIIYYEEEEEEE")
+bisection(f,a,b);
+
+