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The Maxima on-line user's manual

Algebra Calculator

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Eval Calculator

Eval

-- Special symbol: eval As an argument in a call to ev (<expr>), eval causes an extra evaluation of <expr>. See ev.

Example:

f:diff((y-((1/k)-(a*b^x)/k))^2,k);
g:eval(solve(f,k));
k:-((a*b^x)-1/y);
f:diff((y-((1/k)-(a*b^x)/k))^2,a);

          (%i1) [a:b,b:c,c:d,d:e];
          (%o1)                            [b, c, d, e]
          (%i2) a;
          (%o2)                                  b
          (%i3) ev(a);
          (%o3)                                  c
          (%i4) ev(a),eval;
          (%o4)                                  e
          (%i5) a,eval,eval;
          (%o5)                                  e

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

(%o1)                                true
(%i2) 

Eval Example

Related Examples

eval-invert-matrix-solve

a : matrix([1,c],[c,1]);

b : matrix([r1m], [r2...

x : matrix([r1],[r2]);

Calculate

eval

t:2016;

eval(2^(-(t-2015)/30)...

Calculate

eval-integrate

fc(x):=x^2;

vysl=integrate(fc(x),...

eval(vysl);

Calculate

eval

eval(14147910976.0382...

Calculate

eval

eval(%pi,4);

Calculate

eval-sqrt

eval(1/sqrt(2));

Calculate

eval-sum

sum (1/n, n, 1, 100)-...

eval(%);

Calculate

eval-pi

eval(e)^pi;

Calculate

eval-linsolve

e1:(x-1)*a+x*b=1;

e2:x*a+(x-1)*b+x*c=0;

e3:x*b+(x-1)*c+x*d=0;

Calculate

eval

eval ((t/(t-t0)*(x-t0...

Calculate