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The Maxima on-line user's manual

Algebra Calculator

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Numer Calculator

Numer

-- Option variable: numer numer causes some mathematical functions (including exponentiation) with numerical arguments to be evaluated in floating point. It causes variables in expr which have been given numerals to be replaced by their values. It also sets the float switch on.

See also %enumer.

numer:true;
x:[166,187,169,191,175,161,176,170,195,197,187,168,171,161,173];
n:length(x);
m:1/n*sum(x[i],i,1,n);
v:1/n*sum((x[i]-m)^2,i,1,n);
s:sqrt(v);
display(m,v,s);

Examples:

          (%i1) [sqrt(2), sin(1), 1/(1+sqrt(3))];
                                                         1
          (%o1)                   [sqrt(2), sin(1), -----------]
                                                    sqrt(3) + 1
          (%i2) [sqrt(2), sin(1), 1/(1+sqrt(3))],numer;
          (%o2)      [1.414213562373095, .8414709848078965, .3660254037844387]

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

(%o1)                                true
(%i2) 

Numer Example

Related Examples

numer

1+1,numer;

Calculate

numer-sin

m: 8.54;

R: 1.35;

F1: 334;

Calculate

numer

R:1000;

p:3;

n:10;

Calculate

numer-solve-sqrt

sqrt(6) * 4/sqrt(3), ...

4*sqrt(2), numer;

solve( a*a = 4*sqrt(...

Calculate

numer-true

numer:true;

a:95436/540000;

b: 1508 /10800;

Calculate

numer-true

numer:true;

a:95436/540000;

b: 1508 /10800;

Calculate

numer

4/* Ein Auto fährt mi...

v:96;

v:v*1000/3600;

Calculate

numer

eq:(m*G*T^2/w^2)^(1/3);

eq:eq,w=2*%pi/T;

eq:eq,G=6.67384*10^-11;

Calculate

numer-rhs-solve

m1: 509;

v1: 7.7;

vf: 4.9;

Calculate

numer-sqrt

L: 0.5;

E: 69e9;

rho: 2700;

Calculate