Problem 636. Spherical radius given four points

 pts = [x1 y1 z1;
        x2 y2 z2;
        x3 y3 z3;
        x4 y4 z4]

 pts = [1 0 0;
        0 1 0;
        0 0 1;
       -1 0 0]
 r=1

Solution Comments

Problem Recent Solvers253

Suggested Problems

• Numbers with prime factors 2, 3 and 5.

  682 Solvers

• only input

  764 Solvers

• Mysterious digits operation (easy)

  317 Solvers

• Draw 'O' !

  946 Solvers

• Solve a System of Linear Equations

  14291 Solvers

More from this Author308

• GJam 2013 Veterans: Baby Height Prediction

  11 Solvers

• USC Fall 2012 ACM : Code Word Minimum Flipped Bits

  19 Solvers

• Packing Santa's Sleigh: First Layer

  4 Solvers

• Solve Quadratic : No * - or key functions permitted

  34 Solvers

• Play Tic Tac Toe : No Losses Allowed

  11 Solvers