To All, This is not really a Labview question, per se. I am attempting to subtract one vector from another. I have attached the vi. The numbers look like they work fine for vectors that are directly in or out of phase. However, when the vectors are something in between, the largest vector seems to be 'pulled' in the opposite direction from what I would expect. For example, if the run vector is 4 @ 90 degrees, and the slow roll vector is 1 at 30 degrees, I would expect the resultant vector to be less than 90. But the answer is more than 90, in this case 103.9 degrees. I am missing something very simple here but can't see it.

LabVIEW

Vector subtraction

Author

My apologies to all. I am so used to 'adding' vectors , for example when consolidating weights on a balanced fan. All of you are correct. When subtracting vectors, they answers I had were correct.

Regards,

Ron

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LabVIEW

Vector subtraction

Re: Vector subtraction