all (Matlab function)
Test to determine if all elements are nonzero
Matlab all function can work with complexes, what Scilab and can not, so a call to abs function can be necessary when translating from Matlab to Scilab.
- The Matlab expression B=all(A) is translated into Scilab by B=and(A):
If A is a matrix, all(A) is equivalent to all(A,1) in Matlab whereas in Scilab and(A) is a logical AND of all elements of A. If A is a multidimensional array, then Matlab treats the values along the first non-singleton dimension, but Scilab returns logical AND of all elements of A.
- The Matlab expression B=all(A,dim) is translated into Scilab by B=and(A,dim):
In Scilab dim=1 is equivalent to dim="r" and dim=2 is equivalent to dim="c". In Matlab, dim can be greater then the number of dimension of A (in this case, B=A), in Scilab you will get an error message.
y = all([1,1,0;1,0,1]) y = [1,0,0] y = all([1,1,0;1,0,1],1) y = [1,0,0]
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