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Why is this code returning a blank plot?
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v = 240
i = 4.17
z = v/i
pf = -1
for count = 1:1:20
r = z * (pf)
x = z * sin(acos(pf))
voltage_reg(count) = ((i * ((r * cos(pf)) + (x * sin(pf))))/v) * 100
pf = pf+.1
end
plot(pf,voltage_reg)
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답변 (1개)
Manuel Salmerón
2019년 10월 1일
The variable pf is a scalar. Probably you wanted to store it into a vector instead.
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Walter Roberson
2019년 10월 1일
Right. At the point of the plot() call, pf is a scalar that stores the last value that was assigned due to the pf = pf+.1 statement. That is, you should note, a value that was never used for computation, because you increment it after you compute with it the last time.
I recommend that you read
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