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wrfiv gantolebaTa sistemis amoxsna MATLAB-Si - ieeetsu

wrfiv gantolebaTa sistemis amoxsna MATLAB-Si - ieeetsu

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3 2<br />

magaliTad ganvixiloT polinomi: A ( s)<br />

s 4s<br />

7s<br />

10<br />

>> a = [1 4 -7 -10];<br />

>> A = poly2sym(a,s)<br />

A = s^3+4*s^2-7*s-10<br />

3 2<br />

polinomisaTvis: B ( s)<br />

4s<br />

2s<br />

5s<br />

16<br />

>> syms s<br />

>> B = 4*s^3 -2*s^2 +5*s -16;<br />

>> b = sym2poly(B)<br />

b = 4 -2 5 -16<br />

trigonometriuli simboluri gamosaxuleba<br />

ganvixiloT Semdegi brZanebebi:<br />

>> syms theta phi<br />

>> A = sin(theta + phi)<br />

A = sin(theta+phi)<br />

>> A = expand(A)<br />

A = sin(theta)*cos(phi)+cos(theta)*sin(phi)<br />

>> B = cos(2*theta)<br />

B = cos(2*theta)<br />

>> B = expand(B)<br />

B = 2*cos(theta)^2-1<br />

>> C = 6*((sin(theta))^2 + (cos(theta))^2)<br />

C = 6*sin(theta)^2+6*cos(theta)^2<br />

>> C = expand(C)<br />

C = 6*sin(theta)^2+6*cos(theta)^2<br />

rogorc vnaxeT <strong>MATLAB</strong>–ma “kargad gaarTva Tavi” rTul trigonometriul<br />

gardaqmnebs, Tumca bolo sruliad martivi gardaqmnis Sesruleba “gauWirda”:<br />

2<br />

2<br />

C 6(sin ( )<br />

cos ( ))<br />

6 .<br />

simboluri gamosaxulebis ricxviTi mniSvnelobis gamoTvla da grafikis<br />

ageba<br />

x<strong>Si</strong>rad gvWirdeba cvladis mocemuli mniSvnelobisaTvis gamovTvaloT<br />

simboluri gamosaxulebis mniSvneloba. amisaTvis saWiroa funqciiT subs<br />

simbolur cvlads mivaniWoT ricxviTi mniSveloba:<br />

>> E = s^3 -14*s^2 +65*s -100;<br />

>> F = subs(E,s,7.1)<br />

F = 13.6710<br />

F pirdapir Rebulobs ricxviT mniSvnelobas double array<br />

SesaZlebelia simboluri gamosaxulebis mixedviT avagoT grafiki:<br />

ezplot(f)<br />

aagebs f(x) grafiks, sadac f simboluri gamosaxulebaa,<br />

romelic Seicavs mxolod erT cvlads, vTqvaT x-s. Tu x-<br />

is mniSvnelobaTa are araa miTiTebuli is [-2 , 2 ]-is<br />

tolad miiCneva

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