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The Maxima on-line user's manual

Algebra Calculator

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Union Calculator

Union

Function: union (<a_1>, ..., <a_n>) Returns the union of the sets <a_1> through <a_n>.

union() (with no arguments) returns the empty set.

union complains if any argument is not a literal set.

Examples:

          (%i1) S_1 : {a, b, c + d, %e};
          (%o1)                   {%e, a, b, d + c}
          (%i2) S_2 : {%pi, %i, %e, c + d};
          (%o2)                 {%e, %i, %pi, d + c}
          (%i3) S_3 : {17, 29, 1729, %pi, %i};
          (%o3)                {17, 29, 1729, %i, %pi}
          (%i4) union ();
          (%o4)                          {}
          (%i5) union (S_1);
          (%o5)                   {%e, a, b, d + c}
          (%i6) union (S_1, S_2);
          (%o6)              {%e, %i, %pi, a, b, d + c}
          (%i7) union (S_1, S_2, S_3);
          (%o7)       {17, 29, 1729, %e, %i, %pi, a, b, d + c}
          (%i8) union ({}, S_1, S_2, S_3);
          (%o8)       {17, 29, 1729, %e, %i, %pi, a, b, d + c}

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

(%o1)                                true
(%i2) 

Union Example

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union({a,b,c,d,1,2,3,...

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union

A: {.75};

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union

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A:{2,4,6,8,10};

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A : {1,2,3};

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union(A,B);

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union

union({a,b,c},{c,d,e});

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union

a: {};

b: {1};

c: {0};

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union

A:{1,2,3,4};

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C:{1,3,5,7,2,4,6,8};

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