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Problem 619. Multiply a column by a row

  • Given a column vector C and and a row vector R.
  • Output a matrix M.
  • Every column of M equals to C multiplied by corresponding element of R.
  • Every row of M equals to R multiplied by corresponding element of C.
  • Try a general solution, the test suite may change.


 C=[4; 1; 2];
 R=[2 3 5];
 M=[8 12 20; 2 3 5; 4 6 10];

Problem Group

Solution Statistics

304 correct solutions 80 incorrect solutions
Last solution submitted on Nov 29, 2015