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How do you find the index of the max element in an array?

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How do you find the index of the max element in an array?

To get the index of the max value in an array:

  1. Get the max value in the array, using the Math. max() method.
  2. Call the indexOf() method on the array, passing it the max value.
  3. The indexOf method returns the index of the first occurrence of the value in the array or -1 if the value is not found.

What is the maximum index of the array?

The highest index of an array is always array. length – 1 (or bookShelf.

How do you print the maximum element of an array?

Algorithm

  1. STEP 1: START.
  2. STEP 2: INITIALIZE arr[] = {25, 11, 7, 75, 56}
  3. STEP 3: max = arr[0]
  4. STEP 4: REPEAT STEP 5 for(i=0; i< arr.length; i++)
  5. STEP 5: if(arr[i]>max) max=arr[i]
  6. STEP 6: PRINT “Largest element in given array:”
  7. STEP 7: PRINT max.
  8. STEP 8: END.

How will you get the index of an object in a list?

The indexOf(Object) method of the java. util. ArrayList class returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element. Using this method, you can find the index of a given element.

How do you find the highest value in a DataFrame index?

Use df. idxmax() to find the index of the max value of a Pandas DataFrame column

  1. df = pd. DataFrame({“col1”: [“a”, “b”, “c”], “col2”: [3, 2, 1]})
  2. column = df[“col2”]
  3. max_index = column. idxmax() get index of max value.
  4. print(max_index)

How do I index a specific row in MATLAB?

The most common way is to explicitly specify the indices of the elements. For example, to access a single element of a matrix, specify the row number followed by the column number of the element. e is the element in the 3,2 position (third row, second column) of A .

What is the maximum index?

The MAX Index family is a set of widely used domestic government bond market benchmarks in Hungary. The index family consist the RMAX, MAX, MAX Composite and ZMAX indices. The indices calculated and published by the Hungarian Government Debt Management Agency Ltd.

What is the index number of last element of an array with 30 elements?

An array a has 30 elements; what is the index of its last element? Theindex of last element is 29, because first index = 0.

How do you find the maximum element of an array in a function?

To find out the maximum number in an array using function

  1. #include
  2. #include
  3. max(int [],int);
  4. int a[]={10,5,45,12,19};
  5. int n=5,m;
  6. m=max(a,n);
  7. printf(“\nMAXIMUM NUMBER IS %d”,m);
  8. }

How do you find min and max element of the array?

The function getresult( int arr[],int n) is to find the maximum and minimum element present in the array in minimum no. of comparisons. If there is only one element then we will initialize the variables max and min with arr[0] . For more than one element, we will initialize max with arr[1] and min with arr[0].

How do you find the index of an element?

To find the index of an element in a list, you use the index() function. It returns 3 as expected.

What is the minimum index in an array?

If no such index is found then print -1. Hence i = 1 is the required index.

How do you find the index value of a particular ArrayList?

The index of a particular element in an ArrayList can be obtained by using the method java. util. ArrayList. indexOf().

How do you find the index of a data frame?

Pandas DataFrame – Get Index To get the index of a Pandas DataFrame, call DataFrame. index property. The DataFrame. index property returns an Index object representing the index of this DataFrame.

How do you find the largest value in a data set?

To find the max value of a column, use the MAX() aggregate function; it takes as its argument the name of the column for which you want to find the maximum value. If you have not specified any other columns in the SELECT clause, the maximum will be calculated for all records in the table.