generate uniform random numbers between -1 and +1 in matlab

how o generate uniform random numbers between -1 and +1 in matlab?

Answer 1

[David Hill]

2*rand()-1;

[Sajid Sarwar]

I need a random array between -1 & 1

[Image Analyst]

Did youi look at the help for rand()? It answers both your original question and this follow up question

randomMatrix = 2 * rand(rows, columns) - 1;

where you set rows and columns to whatever values you want.