logical, char, and all numeric classes can combine with double arrays. This MATLAB function represents the logical AND. This MATLAB function represents the logical OR. This MATLAB function returns an array containing logical 1 (true) where the data in A is found in B. Inputs A and B must either be the same size or have sizes that are compatible (for example, A is an M-by-N matrix and B is a scalar or 1-by-N row vector). If one input is a categorical array, the other input can be a categorical array, a cell array of character vectors, or a single character vector. Jocelyn on 13 Nov 2020 If any input is a cell array, and none are string arrays, then the result is a cell array of character vectors. This MATLAB function returns the data common to both A and B, with no repetitions. This MATLAB function horizontally concatenates s1,...,sN. If any input is a string array, then the result is a string array. This MATLAB function returns a logical array with elements set to logical 1 (true) where arrays A and B are equal; otherwise, the element is logical 0 (false). This MATLAB function returns the combined data from A and B with no repetitions. MATLAB - Arrays - All variables of all data types in MATLAB are multidimensional arrays. Operands, specified as symbolic equations, inequalities, expressions, or arrays. Here's a screen shot from MATLAB 5.1 in 1997 showing this new form of logical indexing. Both cell arrays are a series of double arrays which match in dimension between the cell arrays, but change size within the cell array. I've talked about logical indexing before in some of the linked posts, but recent work makes me want to show it off again. Cell arrays commonly contain either lists of character vectors of different lengths, or mixes of strings and numbers, or numeric arrays of different sizes. Logical operators and many appropriate functions produced outputs that were marked as logical, and only index arrays that had this logical attribute would cause logical indexing to be used. This example shows how to use the times function to combine categorical arrays, including ordinal categorical arrays and arrays with undefined elements. If neither A nor B are ordinal, they need not have the same sets of categories, and the comparison is performed using the category … When you call times on two categorical arrays, the output is … The arrays must have compatible sizes to facilitate the operation. Combine arrays. A vector is a one-dimensional array and a matrix is a two-dimensional array. Logical arrays also are created by the relational operators (==,<,>,~, etc.) Refer to sets of cells by enclosing indices in smooth parentheses, () . Within a dataset array, each variable (column) must be one homogeneous data type, but the different variables can be of heterogeneous data types. Or it could mean that they've created variables named atand, tan, or sqrt that are being referenced instead of the functions by those names that are part of MATLAB being called. If A and B are both ordinal categorical arrays, they must have the same sets of categories, including their order. You don't need to use find, you can pass the vector of 0 and 1, a logical array as indices, matlab will only keep the elements for which the logical array is 1. I only want it to return logical true when they both satisfy the conditions and return logical true. Matrices and arrays are the fundamental representation of information and data in MATLAB ®.You can create common arrays and grids, combine existing arrays, manipulate an array's shape and content, and use indexing to access array elements. This code returns logical true for when both cells are 0 or 1. 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