Error using zeros, Size inputs must be scalar

2015 9 4
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更新时间：2015 9 4
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train_data = zeros(num_train_data,1);
I get error on this line. I attached the screenshot of my num_train_data below.
PS Im new to matlab.

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回答（1 个）

Walter Roberson
Walter Roberson 2015-9-4

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num_train_data should be referring to the number of training samples you have, not to the content of the training samples.

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Js Goh
Js Goh 2015-9-4
how should I change my code here? num_train_data = reresult(:,1:48);
reresult is my dataset as screenshot above.
Sry im too new to matlab.
Js Goh
Js Goh 2015-9-4
编辑：Js Goh 2015-9-4
Im doing fingerprint recognition, I have 10 persons and 8 fingerprints images each person. Each image is represent by 862 numbers after feature extraction. Now I want to take 60% of my dataset as training data. How should I calculate the numbers of my training data?
Sry, Im confusing right now.

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