diff options
Diffstat (limited to 'third_party/python/ply/example/BASIC/linear.bas')
-rw-r--r-- | third_party/python/ply/example/BASIC/linear.bas | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/third_party/python/ply/example/BASIC/linear.bas b/third_party/python/ply/example/BASIC/linear.bas new file mode 100644 index 0000000000..56c08220b3 --- /dev/null +++ b/third_party/python/ply/example/BASIC/linear.bas @@ -0,0 +1,17 @@ +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 |