resize a matrix (1x30) to (1x25)

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Naema
Naema 2014-11-25
编辑： Orion 2014-11-25
Hi: I have (g) a matrix with size (1x30) and wanted to resize it to (1x25), how can I do this? I think I should keep the min and max numbers in order not to destroy the data and somehow average the numbers in middle to get red of 5 numbers. Can someone here assist me with this? thanks

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Orion
Orion 2014-11-25
编辑：Orion 2014-11-25
Hi,
you could use interp1
g = rand(1,30);
newx = linspace(1,30,25);
newg = interp1(g,newx);
plot(g,'b-+');
hold on;
plot(newx,newg,'ro');

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