Put array in ListBox to choose different values for plot/ App Designer

2020 12 10
1 个回答
更新时间：2020 12 12
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0 个投票

Hi,
I want to put all these values in the array G into my ListBox, but it doesn't show up.
My array "zR" has different sizes.
My purpose for the ListBox is to choose a number and show in my plot different lines. I am also open to other solutions besides the ListBox for my purpose.
Thank you in advance !
app.ListBox.Items=num2str(zR)
app.ListBox.ItemsData=num2str(zR)

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回答（1 个）

Mario Malic
Mario Malic 2020-12-10

1 个投票

Hello,
No need to assign ItemsData. Try this
app.ListBox.Items=num2str(zR(:))

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Henry Tran
Henry Tran 2020-12-10
编辑：Henry Tran 2020-12-10
Hello,
thank you for you answer, unfortunately I got this error.
"Error using matlab.ui.control.internal.model.AbstractStateComponent/set.Items (line 184)'Items' must be a 1-D cell array of character vectors or a string array."
Is there another solution ?
Mario Malic
Mario Malic 2020-12-10
As mentioned in the error 'Items' must be a 1-D cell array of character vectors or a string array.
Try this
app.ListBox.Items = mat2cell(a(:), ones(size(a)), 1)
Henry Tran
Henry Tran 2020-12-12
It appears an error after entering your suggestion:
"Error using matlab.ui.control.internal.model.AbstractStateComponent/set.Items (line 184)
'Items' must be a 1-D cell array of character vectors or a string array."
I figured the solution for my problem:
app.ListBox.Items = num2cell(num2str(zR),2)
Anyway thank you for your help !
Mario Malic
Mario Malic 2020-12-12
Great that you've figured it out yourself!

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Henry Tran
Henry Tran
2020-12-10

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Mario Malic
Mario Malic
2020-12-12

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