how I find a index of element in a array? Answers (2) 0 Vulpes NA96k2.6m10y Try this: using System; class Program { static void Main() { string[] planets = {"mercury", "venus", "earth", "mars", "saturn", "jupiter", "uranus", "neptune", "pluto"}; ...
In this example, we use the array_search () function to find the index associated with the capital city "Tokyo" in the associative array of countries and capitals. Takeaway Mastering array indexing in PHP is a fundamental skill for developers. Thearray_search()function provides a convenient way...
Write a Scala program to find the index of an element in a given Array.Sample Solution: Scala Code:object Scala_Array { def main(args: Array[String]): Unit = { val colors = Array("Red","Blue","Black","Green","White") println("Original Array elements:") // Print all the array ...
Here is an example of how you can use the indexOf() method to find the index of an element in an int array: int[] array = {1, 2, 3, 4, 5}; int index = Arrays.indexOf(array, 3); // index is 2 Copy Alternatively, you can use a loop to search for the element in the...
We can use it to find the first index of a specific value in an array, as shown below. a=np.array([7,8,9,5,2,1,5,6,1])print(np.where(a==1)[0][0]) Output: 5 Use thenonzero()Function to Find the First Index of an Element in a NumPy Array ...
index = find(array==2,2,'last') 输出: [行,列] = 查找(x) 要在3 维数组中查找元素的索引,您可以使用语法[row,col] = find(x)这将为您提供元素所在的行和列。 例子: MATLAB % MATLAB code for Finding an index % of an element in a 3-D array array = [1 2 3; 4 5 6; 7 8 9]...
If at least one element in the array matches the specified condition, the row is returned. array_position Function The array_position function returns the index of a specific element within an array, if present. Otherwise, it returns NULL. If you want to find rows that contain the genre "...
I have an array of non-repeating elements, X. I need to find the index of a specific element, 1.5 in X. I am trying to do index=find(X==1.5). However it just does not work. I gives me a "empty matrix". Does this have to do with the elements in the array being deci...
functionisBigEnough(element){returnelement>=15;}[12,5,8,130,44].findIndex(isBigEnough);// index of 4th element in the Array is returned,// so this will result in '3' 另请参见find()方法,它返回数组中找到的元素的值,而不是其索引。
// returns the first element that passed the condition console.log(value);// 73 The findIndex() method This method returns the index of the first matched element in the array that satisfies a provided condition. It works similarly to thefind()method, but instead of returning the first...