How do I create an array for the square of numbers from 1 to 100?

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Brooke
Brooke 2023-9-22
回答： Dyuman Joshi 2023-9-22
This is my code so far:
%Assignment 1 code
%Problem 1
f = f;
a1 = ones(100,1);
a2 = [1:1:100];
a2 = transpose(a2);
A = cat(2,a2,a1);
k = A./f;
%Problem 2
a3 = ????
But i need to make an array that does the following:
Has the first column representing the numbers of 1 to 100 but each is squared (1,4,9,16...10,000), the second is just 1 to 100, and the third is just ones the whole way down.
I already have the second two (Stored in a1 and a1) but I'm not sure how I can create an array that has those squared values outside of typing them all in and I REALLY don't want to do that. Pls help.

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回答（1 个）

Dyuman Joshi
Dyuman Joshi 2023-9-22
Ran in:
a1 = ones(100,1);
%Avoid using the superfluous [], as they are used for concatenation
a2 = (1:100)';
A = [a2.^2 a2 a1]
A = 100×3
1 1 1 4 2 1 9 3 1 16 4 1 25 5 1 36 6 1 49 7 1 64 8 1 81 9 1 100 10 1

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