二分法求根號近似值(octave)

%bisect.m
rt=10.;
fprintf('solve sqrt(%d)=?\n',rt); %solve sqrt(10)
a=round(sqrt(rt))
b=a+1
m=(a+b)/2.
e=10^-4                      %hold condition, 精確到小數點第三位,則設到小數點第四位
error=m^2-rt;
count=1;
fprintf('count=%d, error=%f, sqrt(%d)=%f\n',count,error,rt,m);

while abs(error)>e

if error >0 
    b=m;
else
   a=m;
end
a
b
m=(a+b)/2.
error=m^2-rt;
count=count+1;
fprintf('count=%d, error=%f, sqrt(%d)=%f\n',count,error,rt,m);
end

106-1資訊概論課綱

1.運算思維與Blocky Game
2.Blocky Game (Puzzle, Maze)
3.Blocky Game (Bird)
4.Blocky Game (Bird)
5.Blocky Game (Turtle)
6.Blocky Game (Turtle)
7.Blocky Game (Movie)
8.Blocky Game (Movie)
9.Blocky Game (Pond tutor)
10.Blocky Game (Pond tutor)
11.scratch,transformer, Arduino 簡介
12.S2A, transformer LED呼吸燈實驗
13.LED紅綠燈實驗
14.字串 print
15.超音波測距離
16.3D printer introduction
17.Inkscape 繪圖
18.Thingiverse  introduction and download file
19.Thinkcad 繪圖
20.3D printer 作品實驗

平時成績60％：上機實驗
段考成績40％：繳交作品;遲交者扣分;未交者0分計算

Excel 數據分析 average, variance, standardize

	x	x+b	ax	ax+b	a
	1	3	3	5	3
	2	4	6	8
	3	5	9	11
	4	6	12	14
	5	7	15	17
	6	8	18	20
	7	9	21	23
	8	10	24	26
	9	11	27	29
	10	12	30	32
sum	55	75	165	185	觀察sum的變化
count	10	10	10	10
sum/count	5.5	7.5	16.5	18.5
average	5.5	7.5	16.5	18.5	觀察average的變化
var.p	8.25	8.25	74.25	74.25	觀察var.p的變化
stdevp	2.8722813233	2.8722813233	8.6168439698	8.6168439698	觀察stdevp的變化
	x	mu	X-mu	(X-mu)^2
	1	5.5	-4.5	20.25
	2		-3.5	12.25
	3		-2.5	6.25
	4		-1.5	2.25
	5		-0.5	0.25
	6		0.5	0.25
	7		1.5	2.25
	8		2.5	6.25
	9		3.5	12.25
	10		4.5	20.25
sum	55		0	82.5
count	10
sum/count	5.5
average	5.5
var.p	8.25		sum/count	8.25
stdevp	2.8722813233		sqrt(sum/count)	2.8722813233
	x	pseudo mu	X-pseudo mu	n*pseudo mu
	1	5	-4
	2		-3
	3		-2
	4		-1
	5		0
	7		2
	8		3
	9		4
	10		5
	11		6
sum	60		10	50
count	10
	sum(x)=sum(x-pseudo mu)+n*pseudo mu
	pseudo:儰