Need help with creating 500 column vector

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So this is the question from my college assignment;

Create a 500-element column vector P17M11 containing two hundred number 17's and followed by three hundred -11's

If I wanted to create separate columns for 17's and -11's, how would I write them so they can combine nicely?

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Answer 1

Stephen23 2017-4-9

编辑：Stephen23 2017-4-9

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The assignment does not ask for 500 columns, but one column with 500 elements: "500-element column vector".

P17M11 = vertcat(17*ones(200,1),-11*ones(300,1))

You can learn these kind of basic MATLAB operations by working through the introductory tutorials:

Seong Nam 2017-4-9

Thank you, that helped