RosettaCodeData/Task/Display-a-linear-combination/EasyLang/display-a-linear-combinatio...

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scalars[][] = [ [ 1 2 3 ] [ 0 1 2 3 ] [ 1 0 3 4 ] [ 1 2 0 ] [ 0 0 0 ] [ 0 ] [ 1 1 1 ] [ -1 -1 -1 ] [ -1 -2 0 -3 ] [ -1 ] ]
for n = 1 to len scalars[][]
str$ = ""
for m = 1 to len scalars[n][]
scalar = scalars[n][m]
if scalar <> 0
if scalar = 1
str$ &= "+e" & m
elif scalar = -1
str$ &= "-e" & m
else
if scalar > 0
str$ &= strchar 43 & scalar & "*e" & m
else
str$ = scalar & "*e" & m
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if str$ = ""
str$ = 0
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if substr str$ 1 1 = "+"
str$ = substr str$ 2 (len str$ - 1)
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print str$
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