MATLAB: Unique() function not working in simulink

simulinkunique

Hello I have h(450×800).
unique(h) gives a column vector of all unique elements of h in Matlab.
But in Simulink it shows below error
"Unless 'rows' is specified, the first input must be a vector. If the vector is variable-size, then either the first dimension or the second must have a fixed length of 1. The input [] is not supported. Use a 1-by-0 or 0-by-1 input (e.g., zeros(1,0) or zeros(0,1)) to represent the empty set."
Can somebody know how can I get all the unique elements of a matrix?

Best Answer

unique(h(:))
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