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The Maxima on-line user's manual

Algebra Calculator

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Realonly

-- Option variable: realonly Default value: false

When realonly is true, algsys returns only those solutions which are free of %i.

obase:10;
K(x):= 0.0003*x^3-0.058*x^2+5.91*x+124.5;
K_s(x):=K(x)/x;
plot2d(K_s(x), [x,-100,200], [y, -100, 1000]);
b(x):=diff(K_s(x));
algsys([b(x)=0],[x]),realonly:true;
K_s(112.9);
E(x):= 5.99*x;
G(x):= E(x)-K(x);
algsys([G(x)=0],[x]),realonly:true;
G(54);
g_m(x):=diff(G(x));
algsys([g_m(x)=0],[x]),realonly:true;

(%o1)                                true
(%i2) 

Related Examples

realonly-solve-true

realonly:true;

a4:81;

a7:2187;

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realonly-solve-true

f:x^3-(a-1)*x^2+a^2*x...

solve(f,x),realonly:t...

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realonly-solve-true

eq1:x^2+y^2=1;

eq2:x+2*y=1.5;

solve([eq1,eq2], real...

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realonly-solve-true

realonly:true;

a4:81;

a7:2187;

Calculate

realonly-solve-true

f:x^3-(a-1)*x^2+a^2*x...

solve(f,x),realonly:t...

Calculate

realonly-solve-true

eq1:x^2+y^2=1;

eq2:x+2*y=1.5;

solve([eq1,eq2], real...

Calculate