[R] Surface generated as product of two curves

I have the following data table: [,1] [,2] [,3] [,4] [,5] [1,] 2575 1927 1754 581 354 [2,] 1156 810 730 541 237 [3,] 417 297 199 125 110 [4,] 281 132 132 47 58 [5,] 152 84 87 54 19 Each column represents a time interval expressed in nano-seconds Each row represent

[R] 3D stariway plot

Please, is there an R function /package that allows for 3D stairway plots like the attached one ? In addition, how can I overlay a parametric grid plot?? Thank you Maura Alice body {margin:0;padding:0;} #footer { height:13