Find in matlab

The find function in MATLAB is used to find the indices and values find in matlab non-zero elements or the elements which satisfy a given condition. The relational expression can be used in conjunction with find to find the indices of elements that meet the given condition, find in matlab. It returns a vector that contains the linear indices.

You can use indexing to access the elements of the array. To find the index of the element in the array, you can use the find function. Using the find function you can find the indices and the element from the array. The find function returns a vector containing the data. Note: If the array contains duplicates then find X function will return all the indices of that integer.

Find in matlab

Help Center Help Center. If X is a vector, then find returns a vector with the same orientation as X. If X is a multidimensional array, then find returns a column vector of the linear indices of the result. The default for direction is 'first' , which finds the first n indices corresponding to nonzero elements. Use the logical not operator on X to locate the zeros. Find the first five elements that are less than 10 in a 4-by-4 magic square matrix. For instance, find the element equal to 13 in a 1-by vector of odd integers. To find a noninteger value, use a tolerance value based on your data. Otherwise, the result is sometimes an empty matrix due to floating-point roundoff error. Create a 6-by-6 magic square matrix with all of the odd-indexed elements equal to zero. Find the first three elements in a 4-by-4 matrix that are greater than 0 and less than

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Help Center Help Center. This example shows how to filter the elements of an array by applying conditions to the array. For instance, you can examine the even elements in a matrix, find the location of all 0s in a multidimensional array, or replace NaN values in data. You can perform these tasks using a combination of the relational and logical operators. To apply a single condition, start by creating a 5-by-5 matrix that contains random integers between 1 and Reset the random number generator to the default state for reproducibility.

Help Center Help Center. This example shows how to filter the elements of an array by applying conditions to the array. For instance, you can examine the even elements in a matrix, find the location of all 0s in a multidimensional array, or replace NaN values in data. You can perform these tasks using a combination of the relational and logical operators. To apply a single condition, start by creating a 5-by-5 matrix that contains random integers between 1 and Reset the random number generator to the default state for reproducibility. Store the result in B.

Find in matlab

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Input array, specified as a scalar, vector, matrix, or multidimensional array. Otherwise, the size is 0-by The result is a list of the elements in A that satisfy both conditions. Each index describes the location of an element in A that is less than 9, so in practice A I returns the same result as A B. Toggle Main Navigation. This function fully supports distributed arrays. Find the first five elements that are less than 10 in a 4-by-4 magic square matrix. Data Types: single double int8 int16 int32 int64 uint8 uint16 uint32 uint64 logical char Complex Number Support: Yes. View More. You will be notified via email once the article is available for improvement. Share your thoughts in the comments. Select the China site in Chinese or English for best site performance. Statistics Cheat Sheet. If the input is a variable-length row vector, then the size of an empty output is 1-by Example 1: Below code will return the indices of non-zero elements in a 1-D array.

The find function in MATLAB is used to find the indices and values of non-zero elements or the elements which satisfy a given condition.

Brain Teasers. Even when you provide the output vector k , the output is not fixed-size because the output can contain fewer than k elements. Based on your location, we recommend that you select:. Help us improve. This function fully supports GPU arrays. This article is being improved by another user right now. You can suggest the changes for now and it will be under the article's discussion tab. You can reference the A 2,2 element with A 5 , and the A 2,3 element with A 8. Note: If the array contains duplicates then find X function will return all the indices of that integer. Use logical indexing with a simple assignment statement to replace the values in an array that meet a condition. Last Several Nonzero Elements.