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Get rid of unwanted output

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Krish Desai
Krish Desai 2015-12-10
编辑： James Tursa 2015-12-10
I have the following code
function output=beautyofmath(i)
for i = 1:9
if i == 1
j(i, 1) = i;
else
j(i, 1) = j(i - 1, 1) * 10 + i;
end
j(i, 2) = i;
j(i, 3) = j(i, 1) * 8 + j(i, 2);
fprintf('%d x 8 + %d = %d\n', j(i, 1), j(i, 2), j(i, 3));
end
The problem is it outputs the following no matter the i value. If I type in beautyofmath(5), I only want the first 5 values to show up. How do I fix this?
1 x 8 + 1 = 9
12 x 8 + 2 = 98
123 x 8 + 3 = 987
1234 x 8 + 4 = 9876
12345 x 8 + 5 = 98765
123456 x 8 + 6 = 987654
1234567 x 8 + 7 = 9876543
12345678 x 8 + 8 = 98765432
123456789 x 8 + 9 = 987654321

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James Tursa
James Tursa 2015-12-10
编辑：James Tursa 2015-12-10
You overwrite your input variable i with your for loop index i, which always goes up to 9. So do this instead:
function output=beautyofmath(i_max)
for i = 1:i_max

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