How can I express matrix?

I want to express several column, not one column.

I searched for my book about mathcad and help in PTC mathcad. But I don't know. Could you help me?

I want to express to see easily because the row is 80

For example

current my picture-

[1]

[2]

[3]

[4]

[5]

my wanttng

[1 2 3 4 5 ]

[a b c d e ]

[ ....          ]