Re: [Haskell-cafe] cumulative sum

On 10/2/06, Tamas K Papp wrote:

Hi,

I have two lists, p and lambda (both are finite). I would like to calculate

1) the cumulative sum of lambda, ie if

lambda = [lambda1,lambda2,lambda3,...]

then

csum lambda = [lambda1,lambda1+lambda2,lambda1+lambda2+lambda3,...]

Try (scanl1 (+) lambda) Mike