In this particular instance, I would rather write down the loop.
It is not hard to make the loop general for any bound on x and
y and any sum.
sum = 15
xmin = 1
xmax = 9
ymin = 1
ymax = 9
for x in range(max(xmin, sum-ymax), min(xmax, sum-ymin)+1):
print(x, sum-x)
which does run through
6 9
7 8
8 7
9 6
Le 17/04/2020 à 18:55, Bert Henry a écrit :
I have the equation
x + y = 15
an I'm looking for solution only in the range x=1..9 and y=1..9, x and y
both integer
Is there a sage-command to do that?
Thanks in advance
Bert Henry
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