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The Maxima on-line user's manual

Algebra Calculator

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Denom

Function: denom (<expr>) Returns the denominator of the rational expression <expr>.

f(x):=(x^2-2*x)*exp(x);
solve(denom(f(x))=0);
solve(f(x)=0,x);
f(0);
f(2);
f1(x):=

There are also some inexact matches for denom. Try ?? denom to see them.

(%o1)                                true
(%i2) 

Related Examples

denom-lhs-ratsimp-rhs-solve-subst

eq1: k*(psi*iQ+Ldiff*...

eq2: solve(eq1 = M, iQ);

eq3: iD^2+iQ^2;

Calculate

denom-lhs-num-ratsubst-rhs-solve

f1: N = A / l_p^2;

f2: E = (1/2) * N * k...

f3: E = M * c^2;

Calculate

denom-lhs-num-ratsubst-rhs-solve

f1: N = A / l_p^2;

f2: E = (1/2) * N * k...

f3: E = M * c^2;

Calculate

denom-expand-matrix-sqrt-subst

m1: matrix([e1,2*e2,e...

t: matrix([c,-s,0],[s...

m2: expand(t.m1);

Calculate

denom-lhs-num-ratsubst-rhs-solve

f1: N = A / l_p^2;

f2: E = (1/2) * N * k...

f3: E = M * c^2;

Calculate

denom-factor-num-ratsimp-subst

R:ratsimp(2/(4*k+1)+2...

S:subst(k+1,k,R)/R/(-...

S:ratsimp(S);

Calculate

denom-solve

f(x):=(x^2-1)/(x^2+1);

solve(f(x)=f(-x),x);

D=denom(f(x));

Calculate

denom-diff-ev-exp-ic1-lhs-load-logcontract-ode2-ratsimp-rhs-solve

eq1 : 'diff(P,t) = P*...

gsoln : ode2(eq1, P,t...

gsoln : gsoln * denom...

Calculate

denom

denom((5*x)/(x^2-4));

Calculate