Ind2sub

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JavaScript library to unravel a linear index into subscripts that index into a multi-dimensional array of a given size Julia and Matlab people know what's what. Convert a linear index , and an array of sizes , to an array of subscripts that index into a multi-dimensional array of size sizes in the Fortran column-major convention first index varies fastest. Then in Node, you can use it:. Browser If you want to load this as a global variable in the browser, download ind2sub-browser. Given some conceptual N -dimensional array with sizes sizes an N -element array , and a linear index into that array in Fortran, column-major, order , this returns another N -element array of subscripts needed to reach that index. Examples were given above. A higher-order function.

Ind2sub

Help Center Help Center. Here sz is a vector with two elements, where sz 1 specifies the number of rows and sz 2 specifies the number of columns. Here sz is a vector with n elements that specifies the size of each array dimension. Convert the linear indices [3 4 5 6] to row and column subscripts in a 3-by-3 matrix. The mapping from linear indices to subscripts indexing by position is illustrated in the following. Convert the linear indices [3 4 5 6] to subscripts in a 2-byby-2 array. The mapping from linear indices to subscripts indexing by position for a 2-byby-2 array can be illustrated as in the following. When using ind2sub for an N-dimensional array, you would typically supply N output arguments for each dimension of the matrix. This example shows the different results when you return fewer output arguments for a 3-dimensional array. Create the input arguments needed to convert the linear indices 1 through 8 for a 3-dimensional array with size 2-byby

Create the input arguments needed to convert the linear indices 1 through 8 for a 3-dimensional array with size 2-byby Select a Web Site Choose a web ind2sub to get translated content where available and see local events and offers, ind2sub, ind2sub.

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Ind2sub

Matlab supports 3 forms of indexing matrices. There is the familiar range indexing that selects a submatrix within a larger matrix:. These two methods are fairly expressive, yet there are a certain number of operations which are awkward or impossible to perform with these.

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Each element of this vector indicates the size of the corresponding dimension. Report repository. This function fully supports thread-based environments. Releases No releases published. Accepted Answer. If you specify only one output argument, ind2sub ignores the second and third dimensions of the array and returns subscripts for a 1-dimensional array with size 1-by-8 instead. Choose a web site to get translated content where available and see local events and offers. Data Types: single double int8 int16 int32 int64 uint8 uint16 uint32 uint Sign in to comment. Search MathWorks. Size of array, specified as a vector of positive integers.

Help Center Help Center. Here sz is a vector with two elements, where sz 1 specifies the number of rows and sz 2 specifies the number of columns.

You may receive emails, depending on your communication preferences. The size of col is the same as the size of the input ind. Access Element of 3-D Array. Choose a web site to get translated content where available and see local events and offers. That's basically the logic, encoded in two lines of TypeScript, that sits in the middle of this library. The ind2sub function converts the linear indices into subscripts. To get the subscript indices, use the find function with two output arguments. Unlicense license. Here sz is a vector with n elements that specifies the size of each array dimension. You have a modified version of this example. You signed out in another tab or window. You signed in with another tab or window. In this example:. You are now following this question You will see updates in your followed content feed.