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Matlab Error using .*. Matrix dimensions must agree

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bribee
bribee 2017-6-8
评论： bribee 2017-6-8
Hello! I am trying to run this code but I keep getting error.
time_res = 1e-2;
T = 15;
t_lim = -T:T;
N = 40;
k = -N:N;
w0 = 2*pi/T;
tp = -T/2:time_res:T/2;
xp = tp.^3;
Basis = exp(1i * w0 * k.' * tp);
Ck = (1/T) * int(xp * (exp(-1i * w0 *k * tp)), tp, -T, T);
t = t_lim;
x = Ck * Basis;
error for this line
Ck = (1/T) * int(xp * (exp(-1i * w0 *k * tp)), tp, -T, T);
Whats wrong?

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回答（1 个）

James Tursa
James Tursa 2017-6-8
k is a vector and tp is a vector. They are not the same size. So you need to revisit this calculation to see what you really want:
xp * (exp(-1i * w0 *k * tp))

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