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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/python/ply/example/BASIC/linear.bas
parentInitial commit. (diff)
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Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+1 REM ::: SOLVE A SYSTEM OF LINEAR EQUATIONS
+2 REM ::: A1*X1 + A2*X2 = B1
+3 REM ::: A3*X1 + A4*X2 = B2
+4 REM --------------------------------------
+10 READ A1, A2, A3, A4
+15 LET D = A1 * A4 - A3 * A2
+20 IF D = 0 THEN 65
+30 READ B1, B2
+37 LET X1 = (B1*A4 - B2*A2) / D
+42 LET X2 = (A1*B2 - A3*B1) / D
+55 PRINT X1, X2
+60 GOTO 30
+65 PRINT "NO UNIQUE SOLUTION"
+70 DATA 1, 2, 4
+80 DATA 2, -7, 5
+85 DATA 1, 3, 4, -7
+90 END