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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Dot-product/QBasic/dot-product.basic Normal file
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DIM zero3d(2) 'some example vectors
zero3d(0) = 0!: zero3d(1) = 0!: zero3d(2) = 0!
DIM zero5d(4)
zero5d(0) = 0!: zero5d(1) = 0!: zero5d(2) = 0!: zero5d(3) = 0!: zero5d(4) = 0!
DIM x(2): x(0) = 1!: x(1) = 0!: x(2) = 0!
DIM y(2): y(0) = 0!: y(1) = 1!: y(2) = 0!
DIM z(2): z(0) = 0!: z(1) = 0!: z(2) = 1!
DIM q(2): q(0) = 1!: q(1) = 1!: q(2) = 3.14159
DIM r(2): r(0) = -1!: r(1) = 2.618033989#: r(2) = 3!
PRINT " q dot r = "; dot(q(), r())
PRINT " zero3d dot zero5d = "; dot(zero3d(), zero5d())
PRINT " zero3d dot x = "; dot(zero3d(), x())
PRINT " z dot z = "; dot(z(), z())
PRINT " y dot z = "; dot(y(), z())
FUNCTION dot (a(), b())
IF UBOUND(a) <> UBOUND(b) THEN dot = 0
dp = 0!
FOR i = 0 TO UBOUND(a)
dp = dp + (a(i) * b(i))
NEXT i
dot = dp
END FUNCTION