problem with signal dimension in If-else block

Question

PaoloC 2015-4-1

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https://ww2.mathworks.cn/matlabcentral/answers/195561-problem-with-signal-dimension-in-if-else-block

编辑： TAB 2015-4-6

Hi all,

in my project i use a If-else block after a logical AND block. The AND port recieves two signal from input ports of dimension 8-Its produce a signal of same dimension redirect as incomming singal in If-else block.(see attached figure)

The error generated from Update diagram phase is : " _Error in port widths or dimensions. Output port 1 of 'model ' is a one dimensional vector with 8 elements."

Maybe it's due to how matlab manage the variable, It uses array or matrix. How can skip this problem ?

Thanks!!!! italic

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Answer 1

TAB 2015-4-6

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/195561-problem-with-signal-dimension-in-if-else-block#answer_174131

编辑：TAB 2015-4-6

Use Demux block to extract the array elements from output of AND block into 8 individual signal. Perform the logical operation between the signal as needed and pass the output to "If block".