Community Profile ### KPIT Technologies

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

mer än 6 år ago

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

mer än 6 år ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

mer än 6 år ago

Solved

Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

mer än 6 år ago

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

mer än 6 år ago

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

mer än 6 år ago

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

mer än 6 år ago

pixel by pixel squaring of image?
outImage = zeros(size(inputImage)); for i = 1 : size(inputImage, 1) for j = 1 : size(inputImage, 2) o...

mer än 6 år ago | 1

Problem

Generate the sum of Squares of the given number
|P(n) = 1^2 + 2^2 + ... + n^2| |P(1) = 1| |P(2) = 1 + 4 = 5;| |P(3) = 5 + 9 = 14;| |P(4) = 14 + 16 = 30;|

mer än 7 år ago | 0 | 96 solvers

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

mer än 7 år ago

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

mer än 7 år ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

mer än 7 år ago

Combine two cell array of different dimension
Try this A = {1,2}; B = {3, 5, 6}; C = horzcat(A, B) ans = C = {1 2 3 5 6}

nästan 8 år ago | 1

Launch a file with a popupmenu without Switch
If it is a script, Just include the file name " |ME_1| " in the editor window. Like this: str = str2double(get(handles.m...

mer än 8 år ago | 0

Question

Find the increasing and decreasing point in array?
I have an array. Which is increasing. At one point it starts decreases. This trend starts repeating many times in array. How ...

nästan 9 år ago | 2 answers | 0

### 2

Question

How to smoothen the edges?
In the following Hand Image, How to smooth the edges in the indicated region? <</matlabcentral/answers/uploaded_files/8389/sa...

nästan 9 år ago | 2 answers | 0

### 2

count the number of objects in the eight.tif.
Check this out I = imread('eight.tif'); imshow(I) level = graythresh(I); BW = im2bw(I,level); imshow(...

nästan 9 år ago | 0

| accepted

face-recognition code in matlab
If you have MATLAB R2013a, Then you can find the face detector which comes inbuilt with MATLAB. % Create a cascade detector...

nästan 9 år ago | 0

Question

kmeans Segmentation Clarification for color images
I had segmented the attached image using kmeans. After kmeans color image segmentation, when I had plotted the cluster centers, ...

nästan 9 år ago | 2 answers | 0

### 2

How to count the number of object present in binary image?
You can use |bwconncomp|. cc = bwconncomp(yourBinaryImage,4); number = cc.NumObjects;

ungefär 9 år ago | 4

Problem

Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...

ungefär 9 år ago | 5 | 371 solvers

Solved

Given a and b, return the sum a+b in c.

ungefär 9 år ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

ungefär 9 år ago

Solved

Negative matrix
Change the sign of all elements in given matrix.

ungefär 9 år ago

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

ungefär 9 år ago

Solved

Min of a Matrix
Return the minimum value in the given matrix.

ungefär 9 år ago

Solved

Find the body mass index. For reference, please refer to Wikipedia here: <http://en.wikipedia.org/wiki/Body_mass_index body ...

ungefär 9 år ago

Solved

Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

ungefär 9 år ago

Solved

Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

ungefär 9 år ago

Solved

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

ungefär 9 år ago