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subsripting array problem [message #16453]

Mon, 26 July 1999 00:00

Med Bennett
Messages: 109
Registered: April 1997

Senior Member

Hi All,

I am just wondering why the following does not work correctly:

timeidx = round(traveltime/100.)-1 ;get index of array
timeidx = timeidx[0]
if timeidx ge 0 and timeidx le 199 then $
gwfluxpa[timeidx:*] = gwfluxpa[timeidx:*] + ic*2500.

If I rewrite this code to the following, it works OK:

timeidx = round(traveltime/100.)-1 ;get index of array
timeidx = timeidx[0]
if timeidx ge 0 and timeidx le 199 then begin
junk = fltarr(200)
junk[timeidx:*] = ic*2500.
gwfluxpa = gwfluxpa + junk
endif

In the first version, the contents of my gwfluxpa array get reset
to zero every so often as the procedure executes this section.
Any ideas?

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