Index exceeds the number of array elements (1) error on line 10

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Rachael
Rachael 2019-9-20
评论： Stephen23 2019-9-28
input('What parameter file do you want to use?'); % type parameters
P3(1:300) = P3d;
P3(301:500) = P3s;
for i = 1:N;
P2(i) = (V2(i)-Vr)/C2;
if P3(i)>P2(i); Q3(i) = (P3(i)-P2(i))/R2;
else Q3 = 0;
end
Q1(i) = (P2(i)-P1)/R1;
Q2(i) = Q1(i)-Q3(i);
V2(i+1) = V2(i)+Q2(i)*dt;
end
  2 个评论
James Tursa
James Tursa 2019-9-27
Rachael, it is considered rude to delete your question once you have answers.
Stephen23
Stephen23 2019-9-28
Original Question (in case it gets deleted again):
Index exceeds the number of array elements (1) error on line 10
input('What parameter file do you want to use?'); % type parameters
P3(1:300) = P3d;
P3(301:500) = P3s;
for i = 1:N;
P2(i) = (V2(i)-Vr)/C2;
if P3(i)>P2(i); Q3(i) = (P3(i)-P2(i))/R2;
else Q3 = 0;
end
Q1(i) = (P2(i)-P1)/R1;
Q2(i) = Q1(i)-Q3(i);
V2(i+1) = V2(i)+Q2(i)*dt;
end

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采纳的回答

Walter Roberson
Walter Roberson 2019-9-20
if P3(i)>P2(i); Q3(i) = (P3(i)-P2(i))/R2;
else Q3 = 0;
end
The else of that overwrites all of Q3 with a scalar value. It would no longer have length greater than 1 for the Q3(i) reference further down.

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