how to resize my large vector to a smaller one for plotting?

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Bojan
Bojan 2014-6-9
评论： José-Luis 2014-6-9
hey guys, I have a large vector with length of 185437, i want to make a new one, reshaped vector with mean values of this one but I need new length to be 180*delay because on x axis i must have like this, for example:
delay=0.1
x_axis=0:delay:180
i need y axis (this new vector) to be same size as this x_axis so I can plot it. I tried something like:
values_delay_sum_plot=mean(reshape(values_delay_sum,1/delay,length(values_delay_sum)*delay));
but it is not working. First errors was for integer values, later that I can't change size of vector. Note that, values_delay_sum is my large vector, a from it I wanna make a new one for my plot. thanks in advance.

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回答（1 个）

José-Luis
José-Luis 2014-6-9
doc resample
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Bojan
Bojan 2014-6-9
It returns
>> class(values_delay_sum)
ans =
double
>> size(values_delay_sum)
ans =
1 16019

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