File:Graphique polynome 1 3 1.png
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[edit]Polynôme x2 + 3·x' + 1 avec points remarquables : tangente horizontale et racines
Polynom x2 + 3·x' + 1 with particuliar points : horizontal tangent and roots
clear;clf x=[-6:0.1:3]'; function [y]=p(x) y=x^2+3*x+1 endfunction xarrows([-1.5 -0.5],[-1.25 -1.25],-1,1) // tangente horizontale xarrows([-1.5 -2.5],[-1.25 -1.25],-1,1) plot2d(x,p(x),style=2) xtitle('x^2+3x+1','x','y') a=get('current_axes'); // axe se coupant en O a.x_location='middle'; a.y_location='middle'; a.sub_ticks=[4,4]; // minimum xpoly([-1.5 -1.5],[0 -1.25]) set('line_style',3) xpoly([-1.5 -1.5],[0 0.5]) xstring(-1.7,0.5,'-3/2') // -1.7 = -3/2 - 0.2 pour centrer // racines xpoly([-2.6 -2.6],[0 0.5]) xstring(-2.7,0.5,'r1') // -2.7 = (-3-rac(5))/2 - 0.1 pour centrer xpoly([-0.4 -0.4],[0 0.5]) xstring(-0.5,0.5,'r2') // -0.5 = (-3+rac(5))/2 - 0.1
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:01, 5 December 2005 | 610 × 461 (3 KB) | Cdang (talk | contribs) | Polynôme ''x''<sup>2</sup> + 3·''x' + 1 avec points remarquables : tangente horizontale et racines ---- Polynom ''x''<sup>2</sup> + 3·''x' + 1 with particuliar points : horizontal tangent and roots category:mathematical analysis [[cat |
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