Mathematica を活用する数学教材とその検証 (数式処理と教育)
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1 $\bullet$ $\bullet$ Mathematica (Shuichi Yamamoto) College of Science and Technology, Nihon University 1 21 ( ) 1 3 (1) ( ) (2 ) ( ) 10 Mathematica ( ) Mathematica $?$ 10 Mathematica ( ) Mathematica 1
2 $\bullet$ 116 (i) (ii) (iii) (2007 ) Mathematica Web (1) (2) ( ) (3) Mathematica (4) Mathematica (5) Mathematica (6) (7) (8) (9) (10) 2 (11) $n$ (12) (13) (14) (15) a $b$ $c$ $d$ $e$ Mathematica (i) Mathematica NBP (ii) ( ) Mathematica ( ) ( ) 2
3 $\bullet$ $\bullet$ $\bullet$ 117 ( ) (1) Mathematica :Mathematica Mathematica Mathematica Player (2) (NBP ) : Conceptual understanding (3) Mathematica : ( ) NBP 4.1 ( ) $II$ $III$ (NBP ) (a) :Manupulate $\sin(x+t),$ $\sin x\cos t,$ $\cos x\sin t$ ( 1) $1\sin(x+t)\pm_{\ovalbox{\tt\small REJECT}_{\square }^{B\wedge-}}$ 3
4 118 (b) $\sin(x-t)$ $\sin(x+t)$ ( ) : $\sin(x-t)$ $\sin(x+t)$ ( ) ( ) (c) : $\sin x\cos t,$ $\cos x\sin t$ $(\sin x\cos t+\cos x\sin t$ $)$ 1.? 2. $\sin(x+t)$ $0$? 3. $\sin x\cos t$ $0$? 4. $\sin x\sin t$ $0$? 5. $\sin(x+t)=\sin x\cos t+\cos t\sin x$? $a$ : $b$ : $c$ : $d$ : $n^{e}$ : 4.2 Conceptual understanding 4
5 119 conceptual understanding (a) 1 procedural understanding conceptual understanding $1$ (Roddick [3]) 2 (b) 2 conceptual understanding 2 3 2( 1) 3( 2) (c) $NB$ $(-1,2)$ 3 1. $y=x^{3}+x^{2}-2x$ 1 $y=a(x+1)+b$ $a,b$ 2 (I) ( 4) 2 $a,b$ 5
6 $ \hat$ $ _{\vee}\vee E$ $ \wedge\hat \check\check $ $\emptyset$ $\rangle + $ $-\beta$ $\rangle + $ $\otimes-=$ $-\overline{ - \prime} + $ $-\beta\beta$ $ $ $ $ 4 5 (II) $f(x)=x^{3}+x^{2}-2x$ $(-1,2)$ $y=f(x)$ 2 $(-1,2),$ $(-1+ \frac{1}{n}, f(-1+\frac{1}{n}))$ $y= \frac{f(-1+\frac{1}{n})-f(-1)}{\frac{1}{n}}(x-(-1))+2$ $n$ $(-1+ \frac{1}{n}, f(-1+\frac{1}{n}))$ $(-1,2)$ ( 5) 2. $\frac{f(-1+\frac{1}{n})-f(-1)}{\frac{1}{n}}=-1+\frac{1}{n^{2}}-\frac{2}{n}arrow-2(narrow\infty)$ $f (-1)$ $(-1, f(-1))$ $y=f (-1)(x-(-1))+f(-1)$ 3. $f (x)$ ( ) $y=f(x)$ ( ) $f(x)=x(x-a)(x-2)$ $f(x)=x^{3}+ax$ $a$ $y=f(x)$ $y=f (x)$ 4.2 (I) 1 2 6
7 (II)3. abcdefabcdef $f (x)$ $f(x)$ abcdefabcdef 4.3 Mathematica $n$ Mathematica (i) PDF Sum $f(x)=x^{2}$ : (1) $[0,1]$ Clear $[f]$ ; $f[x_{-}]$ $:=x^{-}2;f[x]$ 7
8 122 (2) Clear [S] ; $S[n_{-}]$ $:=$Sum $[f[(i-1)/n]*(1/n), \{i, 1,n\}]$ ; $S[2]$ $S[3]$ $,$ $S[10]$ Mathematica $\{S[3\}, S[10]\}$ $n$ $S[n]$ $n$ $=$ 1 (ii) $NBP$ $f(x)=\cos x$ $[0,2\pi]$ $x_{k}$ $x_{i}= \frac{2i\pi}{n}(i=0,1, \ldots,n)$ $n$ $y_{k}$ $\sum_{i=0}^{k-1}f(x_{i})\cross\frac{a}{n}$ $y_{0}=0$ $y_{0},y_{1},$ $\ldots,y_{n}$ $(x_{i},y_{i})(i=0,1, \ldots, n)$, $n$ $\cos x$ $\sin x$ ([7]) 43 (i) ( ) (ii) abcdefabcdef 5 8
9 $\square$ $\square ^{b}$ : $\square ^{d}$ : abcdefabcdef 1 6 ( 21 : 12 ) a: C: 2 $O$ 7 ( 22 : 16 ) 7 a: 9
10 124 3 $a$. $b$. (1) (2) (3) (4) (5) (1) (2) ( ) (3) ( ) (4)IT (5) (6) 1 40 (7) (8) 4 2( ) Mathematica ([4], [5], [6]) 21 ( ) ( ) (i) O
11 $\square$ 125 (ii) $O$ 9 $\square ^{b}$ : 9 $\circ$ a:. $\circ$. 7 9 (16 13 ) 5 Mathematica 11
12 [1] 21 7 [2] [3] Cheryl D Roddick, Differences in learning outcomes: Calculus & mathematica vs. traditional calculus, Primus XI(2), 2001, $\sim$ [4] : $\sim$, ( ), Vol. 16, No. 1, pp , 2007 [5] :Mathematica - -, 82 pp , 2007 [6] S. Yamamoto and N. Ishii : A way of computer use in mathematics teaching-the effectiveness that visualization brings -, Proc. of the 10th International conference of The Mathematics Education into the 21st Century Project, Sep , University of Applied Sciences, Dresden, pp , 2009 [7] 34, ,
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yoshi@image.med.osaka-u.ac.jp http://www.image.med.osaka-u.ac.jp/member/yoshi/ II Excel, Mathematica Mathematica Osaka Electro-Communication University (2007 Apr) 09849-31503-64015-30704-18799-390 http://www.image.med.osaka-u.ac.jp/member/yoshi/
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Title KETpicによる曲面描画と教育利用 ( 数式処理と教育教育における数式処理システムの効果的利用に関する研究 ) : 数学 Author(s) 金子, 真隆 ; 阿部, 孝之 ; 関口, 昌由 ; 山下, 哲 ; 高遠, Citation 数理解析研究所講究録 (2009), 1624: 1-10 Issue Date 2009-01 URL http://hdl.handle.net/2433/140279
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