I am trying to make a software that reauires a matrix like this

1 4 0.4 0.8 0.9 4 5 8 15 25 68 19 14 0.8 0.15
5 45 2 7 8 6 1 9 0 5 17 5 9 1 7 0.5 0.18 0.16
etc

the matix has minimam 30 lines amd 18 columns
This is a linear equation and will get the values from diferent tables
If anyone can help me I would be very greatfull.

You would have to do a few things before someone can help you

1> post some code, show what you have tried
2> state the problem clearly so that we can try and get our heads around it. , state what's happening, what's expected etc..