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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

Related Examples

union

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

B:{4,5,6,7,8,9};

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

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union

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

B:{4,5,6,7,8,9};

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

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union

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

B:{4,5,6,7,8,9};

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

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union

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

B: {1,5,6,4};

C: union (A, B);

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union

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

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union

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

B:{4,5,6,7,8,9};

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

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union

S_1 : {1, 5, {1, 5},{...

S_2 : {{1, 5, 10},{5...

union (S_1, S_2);

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union

A: {.75};

B: {.83};

C: union(A, B);

Calculate

union

a : {1,2,3};

b : {a,b};

union(a,b);

Calculate

union

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

B: {1,5,6,4};

C: union (A, B);

Calculate