[Gretl-users] A Matrix Question

2010-04-16 Thread Henrique Andrade
Dear all, I have a matrix "r" (attached in the Gretl session file) and need to calculate the following values: R6 = r[6,1] + r[5,2] + r[4,3] + r[3,4] + r[2,5] + r[1,6] R7 = r[7,1] + r[6,2] + r[5,3] + r[4,4] + r[3,5] + r[2,6] . . . R12 = r[12,1] + r[11,2] + r[10,3] + r[9,4] + r[8,5] + r[7,6] Aft

Re: [Gretl-users] A Matrix Question

2010-04-16 Thread Allin Cottrell
On Fri, 16 Apr 2010, Henrique Andrade wrote: > I have a matrix "r" (attached in the Gretl session file) and need to > calculate the following values: > > R6 = r[6,1] + r[5,2] + r[4,3] + r[3,4] + r[2,5] + r[1,6] > R7 = r[7,1] + r[6,2] + r[5,3] + r[4,4] + r[3,5] + r[2,6] > . > . > . > R12 = r[12,1

Re: [Gretl-users] A Matrix Question

2010-04-17 Thread Henrique Andrade
Em 16 de abril de 2010 Allin escreveu: On Fri, 16 Apr 2010, Henrique Andrade wrote: > > > I have a matrix "r" (attached in the Gretl session file) and need to > > calculate the following values: > > > > R6 = r[6,1] + r[5,2] + r[4,3] + r[3,4] + r[2,5] + r[1,6] > > R7 = r[7,1] + r[6,2] + r[5,3] +

Re: [Gretl-users] A Matrix Question

2010-04-18 Thread artur bala
Henrique Andrade a écrit : > > matrix R = zeros(12,1) > > loop i=6..12 > R_$i = r[$i,1] + r[$i-1,2]+ r[$i-2,3]+ r[$i-3,4]+ r[$i-4,5]+ r[$i-5,6] > R[i] = R_$i > end loop > > Hi Henrique, Well, what do you think about the following general form : matrix R = zeros(dim1,dim2)# In your e

Re: [Gretl-users] A Matrix Question

2010-04-18 Thread Allin Cottrell
On Sat, 17 Apr 2010, Henrique Andrade wrote: > I'd attached a .pdf file into this e-mail to show you a little bit better > what exactly I need. On that basis, here's an example: matrix r = mshape(seq(1,144),12,12) print r scalar m = 7 # number of values to compute scalar n = 6 # number of ele

Re: [Gretl-users] A Matrix Question

2010-04-18 Thread Henrique Andrade
Dear Artur and Allin, Thank you so much for your invaluable help. Now everything is working really fine! With the use of the Gretl scripting language I'm going to save a lot of time (these tasks are part of my PhD thesis). Best regards, Henrique 2010/4/18 Allin Cottrell > > On Sat, 17 Apr 2010