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A1 Matlab

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Matrice i vektori “poznatih” vrednosti<br />

• matrica nula zeros(n,m)<br />

• matrica jedinica ones(n,m)<br />

• jediniĉna matrica eye(n,m)<br />

• matrica elemenata po uniformnoj<br />

raspodeli rand(n,m)<br />

• matrica elemenata po normanoj<br />

raspodeli randn(n,m)<br />

• vektor ekvidistantnig vrednosti<br />

linspace(n,m,N)<br />

• vektor logaritamske<br />

baze logspace(n,m,N)<br />

• matrica za bazu 3D<br />

crtanja meshgrid(v1,v2)<br />

» a = zeros(2,3)<br />

a =<br />

0 0 0<br />

0 0 0<br />

» a( [2 3], [1 2] ) = 1<br />

a =<br />

0 0 0<br />

1 1 0<br />

1 1 0<br />

» a( [2 3], [1 2] ) = ones(2,2);<br />

» a = [ 1 2; 3 5 ]<br />

a =<br />

1 2<br />

3 5<br />

» abs(inv(a)*a - eye(2)) > 10*eps<br />

ans =<br />

0 0<br />

0 0

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