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var

var([0,1,2,3,4]);

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var

f(mu,phi,var):=(-.5*(...

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var

var([0,1,2,3,4]);

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var

var([0,1,2,3,4]);

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var

var (p, q, l, fx, e, ...

eq1: nx=p+q*x;

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var

var (p, q, l, fx, e, ...

eq1: nx=p+q*x;

Calculate

var

var (p, q, l, fx, e, ...

eq1: nx=p+q*x;

eq2: sx=nx/fx;

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var

tostring(var);

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var

var (p, q, l, fx, e, ...

eq1: nx=p+q*x;

eq2: sx=nx/fx;

Calculate

var

var (p, q, l, fx, e, ...

eq1: nx=p+q*x;

Calculate

var

Run Example
(%i1)load(descriptive);
(%o1) /usr/share/maxima/5.21.1/share/contrib/descriptive/descriptive.mac
(%i2) x:[3,1,4,2,5,3,2,5,1,1];
(%o2)                   [3, 1, 4, 2, 5, 3, 2, 5, 1, 1]
(%i3) mean(x),numer;
(%o3)                                 2.7
(%i4) var(x);
                                      221
(%o4)                                 ---
                                      100
(%i5) 
Run Example
var ("w a u r k m B");
(%o1)                         var(w a u r k m B)
(%i2) j(t):= r*(1+k)*sqrt(w^2*u^2*t^2 + 1);
                                             2  2  2
(%o2)                j(t) := r (1 + k) sqrt(w  u  t  + 1)
(%i3) B(t):= arctan(w*u*t);
(%o3)                        B(t) := arctan(w u t)
(%i4) integrate(diff(B(t), t), t);
(%o4)                            arctan(t u w)
(%i5) 
Run Example
load(descriptive);
(%o1) /usr/share/maxima/5.21.1/share/contrib/descriptive/descriptive.mac
(%i2) load(numericalio);
(%o2) /usr/share/maxima/5.21.1/share/contrib/numericalio/numericalio.mac
(%i3) s:[ 2,7,10,7,7,8,4,7,8,6,6,11,7,6,5,12,8,10,2,12,7,11,5,12,7,2,4,7,13,12,4,11,5,6,5,8,6,5,6,11,5,6,6,10,4,4,6,3,8,5];
(%o3) [2, 7, 10, 7, 7, 8, 4, 7, 8, 6, 6, 11, 7, 6, 5, 12, 8, 10, 2, 12, 7, 11, 
5, 12, 7, 2, 4, 7, 13, 12, 4, 11, 5, 6, 5, 8, 6, 5, 6, 11, 5, 6, 6, 10, 4, 4, 
6, 3, 8, 5]
(%i4) length(s);
(%o4)                                 50
(%i5) mean(s) /* Среднее значение.*/;
                                      349
(%o5)                                 ---
                                      50
(%i6) var(s);
                                     20249
(%o6)                                -----
                                     2500
(%i7)  std(s);
                                  sqrt(20249)
(%o7)                             -----------
                                      50
(%i8)  geometric_mean(s)/* Среднее геометрическое. */;
               1/5   1/50    1/25     1/25     1/25         1/25
(%o8)         5    13     121     2187     2401     16777216
(%i9) harmonic_mean(s) /* Среднее гармоническое. */;
                                    6006000
(%o9)                               -------
                                    1060069
(%i10) 

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