Roots of a function: Difference between revisions

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m (→‎{{header|Octave}}: lang matlab to lang octave; even since a lot of langs got messed up with the geshi update:/ (matlab too, it seems))
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If the equation is a polynomial, we can put the coefficients in a vector and use ''roots'':
If the equation is a polynomial, we can put the coefficients in a vector and use ''roots'':


<lang matlab>a = [ 1, -3, 2, 0 ];
<lang octave>a = [ 1, -3, 2, 0 ];
r = roots(a);
r = roots(a);
% let's print it
% let's print it
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{{trans|Python}}
{{trans|Python}}
<lang matlab>function y = f(x)
<lang octave>function y = f(x)
y = x.^3 -3.*x.^2 + 2.*x;
y = x.^3 -3.*x.^2 + 2.*x;
endfunction
endfunction