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The Maxima on-line user's manual

Algebra Calculator

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Facsum_combine

-- Global variable: facsum_combine Default value: true

facsum_combine controls the form of the final result returned by facsum when its argument is a quotient of polynomials. If facsum_combine is false then the form will be returned as a fully expanded sum as described above, but if true, then the expression returned is a ratio of polynomials, with each polynomial in the form described above.

The true setting of this switch is useful when one wants to facsum both the numerator and denominator of a rational expression, but does not want the denominator to be multiplied through the terms of the numerator.

(%o1)                                true
(%i2) 

Related Examples

combine-display2d-expand-false-sqrt

display2d:false;

A: (r^2/ey^2-1);

B: r*(-2*ex*X-r^2+ey^...

Calculate

combine-expand-solve

eq:(k/((1+k)^2))-((1+...

combine(expand((k/((1...

solve(eq=0,k);

Calculate

combine

3/(x+1)+5/(y-2)-3*x/(...

combine(3/(x+1)+5/(y-...

Calculate

combine-cos-sin

vr: [1-(3/2)*(R/r)+(1...

p: po - rho*g*z-(3/2)...

a: derivative(-p, r) ...

Calculate

combine-diff-first-second-solve

Q(t):=Q0+I0*t + c*t**...

I1(t):=''(diff(Q(t), ...

sol:solve([Q(h)=Q1, I...

Calculate

combine

b:(sy*sx-sxy*s)/(sx^2...

a:-(sxx*sy-sxy*sx)/(s...

f:syy+a^2*s+b^2*sxx-2...

Calculate

combine-diff-display2d-expand-false-first-plot2d-second-solve-third
plot2d(Q(t), [t, -h1-h2, 0]);

display2d:false;

Q(t):=a + b*t + c*t*t;

I(t):=''(diff(Q(t), t));

Calculate

combine-cos-diff-lhs-rhs-sin-solve

xeqn: x(t)= r(t)*sin(...

yeqn: y(t)=r(t)*cos(t...

xdot: diff(xeqn, t, 1);

Calculate

combine-display2d-expand-false-sqrt

display2d:false;

A: (r^2/ey^2-1);

B: r*(-2*ex*X-r^2+ey^...

Calculate

combine-diff-ratsimp-solve

f1:x^2/(3*x+2);

solve(f1=0,x);

df1:combine(diff(f1,x));

Calculate