Help with graph plotting

2022 3 7
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更新时间：2022 3 8
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I am getting the below strange horizontal line starting from 0 to the other end while plotting a curve.
Any idea why would this be?
I am using plot function
plot(a,b);

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Davide Masiello
Davide Masiello 2022-3-7
Please share what a and b are.
Amy Topaz
Amy Topaz 2022-3-7
a is 1*50 array and b is 50*50 array.

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Matt J
Matt J 2022-3-7

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Your a and b contain data for 2 lines.

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Amy Topaz
Amy Topaz 2022-3-7
a is 1*50 array and b is 50*50 array.
Matt J
Matt J 2022-3-7
编辑：Matt J 2022-3-7
If one of the column of b is zero, it would explain why you are getting horizontal line. Troubleshooting would be easier, though, if you would Run your code here in the forum (not on your local computer):
That way, we'd all have access to both code and data and see what it's doing.
Amy Topaz
Amy Topaz 2022-3-8
Yes except the first column all other colums are 0. Can I append the final answer matrix to contain 50*1 array instead of 50*50?

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