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Language Reference Function Reference Including Source Files Comments Issuing Shell Commands Matrix Multiplication Information About Variables Elementary Functions Advanced Array Indexing Index Range Functions Logical Functions Interpolation and Lookup Functions Sorting Transposing Manipulating Strings Generating Simple Meshes Using Pointers Instancing Data Structures Reshaping Arrays I/O Reference | # Yorick Function Reference ## Logical Functions `allof(x)` returns 1 if every element of x is non-zero `anyof(x)` returns 1 if any element of x is non-zero `noneof(x)` returns 1 if no element of x is non-zero `nallof(x)` returns 1 if any element of x is zero `where(x)` returns list of indices where x is non-zero `where2(x)` human-readable variant of `where`