Problem 1704. Triangular matrices in 3D array

x(:,:,1) = 1 2 3
           4 5 6
           7 8 9

x(:,:,2) = 1 4 7
           2 5 8
           3 6 9

x(:,:,3) = 1 2 3
           1 2 3
           1 2 3

y(:,:,1) = 1 0 0
           4 5 0
           7 8 9

y(:,:,2) = 1 0 0
           2 5 0
           3 6 9

y(:,:,3) = 1 0 0
           1 2 0
           1 2 3

Solution Comments

Problem Recent Solvers121

Suggested Problems

• Bullseye Matrix

  5902 Solvers

• Replace NaNs with the number that appears to its left in the row.

  2976 Solvers

• Make a run-length companion vector

  638 Solvers

• Is it an Armstrong number?

  320 Solvers

• Sum of series I

  1641 Solvers

More from this Author44

• Convert ColorSpec string to RGB triplet

  50 Solvers

• Assign matrix elements to separate variables

  41 Solvers

• Create an 8-color version of an image

  59 Solvers

• Find last zero for each column

  554 Solvers

• Repeat middle rows and columns of an array

  33 Solvers