CUI liwei
> Here is my data of matrix.
>
> . matrix list a1
>
> a1[1,5]
> p1 p2 p3 p4 p5
> c1 2575.8327 500.06787 186.97998 254.6509 1106.3182
>
>
> . matrix list p
>
> p[5,5]
> p1 p2 p3 p4 p5
> r1 .66871315 .08958182 .02526662 .03012322 .18631518
> r2 .33131433 .22863834 .08614853 .07708991 .27680892
> r3 .13114183 .09663552 .09053405 .20670988 .47497872
> r4 .13119115 .07068948 .07335503 .16629378 .55847055
> r5 0 0 0 0 0
>
>
> I want to get a2, a3 ....a10.
>
> . matrix a2=a1*p
> . matrix a3=a2*p
> .
> .
> .
> . matrix a10=a9*p
>
> to make it easy, I wrote the code, but it doesn't work.
>
> while `i'<=10{
> matrix a`i+1'=a`i'*p
> local i=`i'+1
> }
>
> and at last I want convert the matrix a1 a2 ...a10 to variables.
`i+1' is not going to increment the macro on the fly in any version
of Stata.
In Stata 7 or 8, you can do this
local i = 1
while `i' <= 10 {
matrix a`=`i'+1' = a`i' * p
local i=`i'+1
}
or
forval i = 1/10 {
matrix a`=`i'+1' = a`i' * p
}
See also Deborah Garvey's question on 28 August
and my reply on 29 August.
Nick
[email protected]
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
