how to solve singular matrix

i have a problem on singular matrix how to solve it please answer me there any method to solve it

Answer 1

[Fattah alizadeh]

have a look on this topic please: http://www.mathworks.co.uk/help/techdoc/ref/mldivide.html

Answer 2

[Matt J]

It depends on the type of solution you are looking for. You can obtain the minimum norm solution using pinv, e.g.,

A=[2 0 0; 0 2 0; 0 0 0] %Clearly singular

A = 3×3

2 0 0 0 2 0 0 0 0

b=[6;4;2]

b = 3×1

6 4 2

pinv(A)*b %minimum norm solution

ans = 3×1

3 2 0