Update vector values and return to the program

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Mane 2014-4-14

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https://ww2.mathworks.cn/matlabcentral/answers/125687-update-vector-values-and-return-to-the-program

编辑： Randy Souza 2014-4-15

Hi all! I faced to the problem and can't solve it. Please anybody help me. It's very important for me...

I wrote a program, where I input t vector by ginput(n). Then my program calculate and construct a curve by the developed method (calculation part of the program).

MY PROBLEM IS: I want change values of the t vector and return to the calculation part of my program, in other words, I want to refresh my t vector each time. How to do this????

(I drag t vector points on the curve and fix it as a refreshed value).

Thanks in advance. Waiting forward for the answers!!!!

Best regards, Mane

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Answer 1

Mischa Kim 2014-4-14

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https://ww2.mathworks.cn/matlabcentral/answers/125687-update-vector-values-and-return-to-the-program#answer_133304

编辑：Mischa Kim 2014-4-14

在 MATLAB Online 中打开

Mane, not quite sure I understand. Do you want to read ginput's over and over again (with some calculations in between)? Something like

 button = 1;
 while sum(button) <=3   % read ginputs until a mouse right-button occurs
   [x,y,button] = ginput(3);
 end

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Mischa Kim 2014-4-14

What do you mean by "drag points"? Where from, where to?

Mane 2014-4-15

Here is the curve, that is constructed by my program.

http://www.mathworks.com/matlabcentral/answers/uploaded_files/9264/curve.jpg

Here the 'Points' are my t vector. First time I read this vector by ginput(n). After that work my calculation algorithm and finally the curve is constructed.

Now I want to drag these 'Points' (change the values of t vector), and see my curve changes in this case. So I want to work my calculation program every time as I change position of any of these points.

Please give me the way to solve my problem. It's so important to me...

Best regards, Mane

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Update vector values and return to the program

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Update vector values and return to the program

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