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	<title>Maplevn2008&#039;s Blog</title>
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	<description>Maplevn2008’s Blog -  Blog hướng dẫn sử dụng và lập trình trên Maple.</description>
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		<title>Maplevn2008&#039;s Blog</title>
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		<item>
		<title>Khai báo hàm tuần hoàn</title>
		<link>http://maplevn2008.wordpress.com/2011/05/26/khai-bao-ham-tu%e1%ba%a7n-hoan/</link>
		<comments>http://maplevn2008.wordpress.com/2011/05/26/khai-bao-ham-tu%e1%ba%a7n-hoan/#comments</comments>
		<pubDate>Thu, 26 May 2011 23:10:52 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** LẬP TRÌNH CƠ SỞ]]></category>
		<category><![CDATA[Cơ Bản]]></category>
		<category><![CDATA[Lập Trình]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1300</guid>
		<description><![CDATA[Xét hàm số y=f(x) trên [a,b), với d=b-a. Ta tiến hành xây dựng hàm F(x) sao cho F(x)=f(x) trên [a,b] và F(x) tuần hoàn với chu kì d=b-a. Thủ tục ở dạng tổng quát như sau:&#62; F:=x-&#62;piecewise(a&#60;=x and x&#60;b,f(x),F(x-(b-a)*floor((x-a)/(b-a)))); Một vài ví dụ: 1. f(x)=x+sin(x), trên [0, 2Pi) &#62; F:=x-&#62;piecewise(0&#60;=x and x&#60;2*Pi,x+sin(x),F(x-2*Pi*floor(x/(2*Pi)))); &#62; F(2.9+2*Pi); &#62; [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1300&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>3</slash:comments>
	
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		<item>
		<title>Mô phỏng biến ngẫu nhiên 3 giá trị</title>
		<link>http://maplevn2008.wordpress.com/2010/10/12/mo-ph%e1%bb%8fng-bi%e1%ba%bfn-ng%e1%ba%abu-nhien-3-gia-tr%e1%bb%8b/</link>
		<comments>http://maplevn2008.wordpress.com/2010/10/12/mo-ph%e1%bb%8fng-bi%e1%ba%bfn-ng%e1%ba%abu-nhien-3-gia-tr%e1%bb%8b/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 13:24:56 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** HỌC QUA VÍ DỤ MẪU]]></category>
		<category><![CDATA[XÁC SUẤT THỐNG KÊ]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1289</guid>
		<description><![CDATA[Xét bài toán xây dựng một maplet mô phỏng biến ngẫu nhiên X nhận 3 giá trị P(X=a)=pa, P(X=b)=pb, P(X=c)=pc, trong đó pa,pb,pc và kích thước mẫu n người dùng tự nhập. &#62; restart; &#62; randomize: &#62; with(Maplets[Elements]): with(Maplets[Tools]): &#62; mophong:=proc(a,b,c,nn) local i,rdom,r,na,nb,nc,temp; rdom:=evalf(rand(10^20)/10^20); na:=0;nb:=0;nc:=0; for i from 1 to nn do r:=rdom(); if is(r&#60;a) [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1289&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>1</slash:comments>
	
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			<media:title type="html">h2</media:title>
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		<item>
		<title>Tính đạo hàm tại một điểm</title>
		<link>http://maplevn2008.wordpress.com/2010/10/12/tinh-d%e1%ba%a1o-ham-t%e1%ba%a1i-m%e1%bb%99t-di%e1%bb%83m/</link>
		<comments>http://maplevn2008.wordpress.com/2010/10/12/tinh-d%e1%ba%a1o-ham-t%e1%ba%a1i-m%e1%bb%99t-di%e1%bb%83m/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 09:33:19 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** TÍNH TOÁN CƠ BẢN]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1286</guid>
		<description><![CDATA[Một vài phương pháp tính đạo hàm của một hàm tại một điểm cho trước (giả sử đạo hàm tồn tại nếu không thì chúng ta tính theo định nghĩa). C1: Tính đạo hàm trước (lệnh diff )và thay giá trị vào (lệnh subs). &#62; f:=x^2*exp(x*y); &#62; g:=diff(f,x,y); &#62; subs({x=1,y=2},g); &#62; subs({x=a,y=0},g); &#62; subs({x=1,y=1},g); &#62; [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1286&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">maplevn2008</media:title>
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		<item>
		<title>Viết lại hàm intersect</title>
		<link>http://maplevn2008.wordpress.com/2010/10/04/vi%e1%ba%bft-l%e1%ba%a1i-ham-intersect/</link>
		<comments>http://maplevn2008.wordpress.com/2010/10/04/vi%e1%ba%bft-l%e1%ba%a1i-ham-intersect/#comments</comments>
		<pubDate>Mon, 04 Oct 2010 10:46:48 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** LẬP TRÌNH CƠ SỞ]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1278</guid>
		<description><![CDATA[Chúng ta có thể thấy rằng hàm intersect cho phép chúng ta tìm giao của hai tập hữu hạn. Để có thể tìm giao của hai tập hữu hạn với hữu hạn, hữu hạn với khoảng (đoạn) hay giữa các khoảng (đoạn) với nhau, chúng ta có thể dùng thủ tục sau đây: &#62; `&#38;intersect`:=proc(A,B) [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1278&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">maplevn2008</media:title>
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		<item>
		<title>Sàng nguyên tố Eratosthenes</title>
		<link>http://maplevn2008.wordpress.com/2010/08/30/sang-nguyen-t%e1%bb%91-eratosthenes/</link>
		<comments>http://maplevn2008.wordpress.com/2010/08/30/sang-nguyen-t%e1%bb%91-eratosthenes/#comments</comments>
		<pubDate>Mon, 30 Aug 2010 22:40:33 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** HỌC QUA VÍ DỤ MẪU]]></category>
		<category><![CDATA[*** LẬP TRÌNH CƠ SỞ]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1233</guid>
		<description><![CDATA[Sàng nguyên tố Eratosthenes được thành lập như  sau: - Đầu tiên ta viết d﻿ãy số liên tiếp 2, 3, 4, &#8230;, n (một số nào đó) - Sau đó gạch chéo các số là bội của 2 (trừ  số 2) - Tiếp theo, chọn số nhỏ nhất ﻿bên phải số 2 mà chưa gạch [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1233&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">maplevn2008</media:title>
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	</item>
		<item>
		<title>Hướng dẫn cơ bản về Maplet</title>
		<link>http://maplevn2008.wordpress.com/2010/08/14/h%c6%b0%e1%bb%9bng-d%e1%ba%abn-c%c6%a1-b%e1%ba%a3n-v%e1%bb%81-maplet/</link>
		<comments>http://maplevn2008.wordpress.com/2010/08/14/h%c6%b0%e1%bb%9bng-d%e1%ba%abn-c%c6%a1-b%e1%ba%a3n-v%e1%bb%81-maplet/#comments</comments>
		<pubDate>Sat, 14 Aug 2010 10:11:18 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** LẬP TRÌNH FORM]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1227</guid>
		<description><![CDATA[LẬP TRÌNH CÓ GIAO DIỆN VỚI MAPLET 1. Giới thiệu 2. Gói Maplets[Examples] 3. Gói Maplets[Elements]- Cơ Bản 4. Một vài ví dụ áp dụng &#8212;&#8212;&#62; click here ! &#160; Filed under: *** LẬP TRÌNH FORM<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1227&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>3</slash:comments>
	
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		<title>Vài nét lưu ý khi dùng lệnh solve</title>
		<link>http://maplevn2008.wordpress.com/2010/08/13/vai-net-l%c6%b0u-y-khi-dung-l%e1%bb%87nh-solve/</link>
		<comments>http://maplevn2008.wordpress.com/2010/08/13/vai-net-l%c6%b0u-y-khi-dung-l%e1%bb%87nh-solve/#comments</comments>
		<pubDate>Fri, 13 Aug 2010 10:27:39 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** TÍNH TOÁN CƠ BẢN]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1223</guid>
		<description><![CDATA[Một số điểm lưu ý khi dùng lệnh solve 1. Giải phương trình lượng giác Th1: &#62; restart; &#62; solve(sin(x)+cos(x)=1,{x}); Th2: &#62; restart; &#62; _EnvAllSolutions:=true; &#62; solve(sin(x)+cos(x)=1,{x}); 2. Tìm nghiệm đa thức (bậc &#60;5) Th1: &#62; restart; &#62; solve( x^4 &#8211; 2*x^3 + 2=0, x ); &#62; allvalues({%}); Th2: &#62; restart; &#62; _EnvExplicit:=true; &#62; solve( [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1223&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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			<media:title type="html">maplevn2008</media:title>
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		<item>
		<title>Tùy chỉnh màu sắc theo chế độ RGB</title>
		<link>http://maplevn2008.wordpress.com/2010/08/13/tuy-ch%e1%bb%89nh-mau-s%e1%ba%afc-theo-ch%e1%ba%bf-d%e1%bb%99-rgb/</link>
		<comments>http://maplevn2008.wordpress.com/2010/08/13/tuy-ch%e1%bb%89nh-mau-s%e1%ba%afc-theo-ch%e1%ba%bf-d%e1%bb%99-rgb/#comments</comments>
		<pubDate>Fri, 13 Aug 2010 10:06:19 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** LẬP TRÌNH CƠ SỞ]]></category>
		<category><![CDATA[Lập Trình]]></category>
		<category><![CDATA[Đồ Thị]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1217</guid>
		<description><![CDATA[Chúng ta có thể tạo màu RGB theo cấu trúc: COLOR(RGB, a, b, c) trong đó a,b,c là các thông số nằm trong đoạn [0,1] tương ứng với R, G, B. Ví dụ minh họa: &#62; plot(x*sin(x),x=-Pi..Pi,thickness=3,color=COLOR(RGB,1,0,0)); &#62; plot(x*sin(x),x=-Pi..Pi,thickness=3,color=COLOR(RGB,0.6,0.5,0)); &#62; plot(x*sin(x),x=-Pi..Pi,thickness=3,color=COLOR(RGB,0.6,0.5,0.3)); &#62; plot(x*sin(x),x=-Pi..Pi,thickness=3,color=COLOR(RGB,0.2,0.5,0.8)); &#62; plot(x*sin(x),x=-Pi..Pi,thickness=3,color=COLOR(RGB,0.3,0.8,0.3)); Filed under: *** LẬP TRÌNH CƠ SỞ Tagged: Lập Trình, [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1217&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">maplevn2008</media:title>
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		<title>Download Maple ở đâu ?</title>
		<link>http://maplevn2008.wordpress.com/2010/08/05/download-maple-%e1%bb%9f-dau/</link>
		<comments>http://maplevn2008.wordpress.com/2010/08/05/download-maple-%e1%bb%9f-dau/#comments</comments>
		<pubDate>Thu, 05 Aug 2010 01:59:12 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** GIỚI THIỆU VỀ MAPLE]]></category>

		<guid isPermaLink="false">http://maplevn2008.wordpress.com/?p=1280</guid>
		<description><![CDATA[Đây là một vài link chúng ta có thể tìm thấy trên mạng 1.  Maple 7  &#8212;-&#62; click here Pass: doducluyen 2. Maple 8  &#8212;-&#62; click here 3. Maple 9.5 &#8212;&#8211;&#62;click here 4. Maple 10 : +  Part1     + Part 2 5. Maple 11 : +   Part 1    +  Part 2 6. Maple 12 &#8212;&#8211;&#62; click [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1280&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>1</slash:comments>
	
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		<title>Lấy phần chính trong khai triển</title>
		<link>http://maplevn2008.wordpress.com/2010/07/15/l%e1%ba%a5y-ph%e1%ba%a7n-chinh-trong-khai-tri%e1%bb%83n/</link>
		<comments>http://maplevn2008.wordpress.com/2010/07/15/l%e1%ba%a5y-ph%e1%ba%a7n-chinh-trong-khai-tri%e1%bb%83n/#comments</comments>
		<pubDate>Thu, 15 Jul 2010 22:21:38 +0000</pubDate>
		<dc:creator>maplevn2008</dc:creator>
				<category><![CDATA[*** HỌC QUA VÍ DỤ MẪU]]></category>

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		<description><![CDATA[Để lấy phần chính trong khai triển f tại x=x0 đến cấp n, ta có thể làm như sau: g:=series(f,x=x0,n); convert(g,polynom); Ví dụ: &#62; g:=series(sin(x),x=0,5); &#62; convert(g,polynom); &#62; g:=series(x*ln(1+x),x=1,5); &#62; convert(g,polynom); &#62; g:=series(exp(-x)*ln(1-x^2),x=0,5); &#62; convert(g,polynom); &#62; g:=series(sin(x),x=Pi,5); &#62; convert(g,polynom); Filed under: *** HỌC QUA VÍ DỤ MẪU<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=maplevn2008.wordpress.com&amp;blog=5417732&amp;post=1215&amp;subd=maplevn2008&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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