Help with matrix creation

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Megan Caston
Megan Caston 2020-2-2
回答： Pavel Osipov 2020-2-2
I am trying to create a matrix based on A = [1,z(j),z(j)^2,z(j)^3] where j = 1:41 and z(j) = (j-1)/10. I got the for loop working for creating the vector z(j) but I cannot get matlab to create the 41X4 A matrix that I need. Help me please!!!

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回答（2 个）

Walter Roberson
Walter Roberson 2020-2-2
A = [ones(size(j));z;z.^2;z.^3].'
Pavel Osipov
Pavel Osipov 2020-2-2
Hi? Megan Caston. I'm think, it's may be
>> j = 1:41; z(j) = (j-1)/10;
>> lenZ=length(z);
>> AA=[ones(lenZ,1), z',(z.^2)',(z.^3)'];
z.JPG
I'm hope, it's usefool for you.A.JPG

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