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Nithin Banka
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Can I store row numbers of a matrix in a column without using any loop?
a = magic(3); a(:, 1) = [1:3]; % This will store the row index in the first column of 'a'
ungefär 6 år ago | 0
| accepted
calculate the percentage of B&W image
If 'BW' is your binary threshold image, pix = size(BW); no_of_pix = pix(1)*pix(2); no_of_white_pix = sum(sum(BW==1));...
ungefär 6 år ago | 0
Remove for loop and reduce time
if true edges_a=min(ac1):1.25:max(ac1); grp_ac=discretize(ac1,edges_a); len = length(edges_a); aux...
ungefär 6 år ago | 1
How to avoid for nested loops with if condition?
I don't think you need to use 'for' loop. The 2 'if' statements can be easily handled in MATLAB. index_of_1_in_id_and_RR = ...
ungefär 6 år ago | 0
draw lines between specific points with known length
from what I have understood, you want to plot different line segments connecting points from your data. I took an example to exp...
ungefär 6 år ago | 0
| accepted
How to get pdist() values of all the rows of a matrix with respect to a row of the same matrix?
diffX = X - X(1, :); yourReqOutput = sqrt(sum(diffX.^2, 2));%first row will be 0 as it is distance from itself.
ungefär 6 år ago | 0
Problems with drawing diagrams in MATLAB
Refer to <https://www.mathworks.com/help/matlab/ref/hold.html Hold> documentation. Example: x = linspace(-pi,pi); y1 ...
ungefär 6 år ago | 0
Plot where x axis is the date, Part 2 (edited)
Assuming that you have the same number of data points as the number of dates. Create a datetime vector for the duration and plot...
ungefär 6 år ago | 0
How do i copy a one matrix into another ignoring the ''NAN' elements in the matrix?
if 'a' is your 1st matrix, 'b' is your 2nd matrix, a = [17 24 1 8 15; 23 5 7 14 16; ...
ungefär 6 år ago | 0
How to close the webcam after the image has been captured?
If the webcam object you are using to capture images is say 'camObject' use the below command to close the webcam clear ca...
ungefär 6 år ago | 2
Solved
Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...
ungefär 6 år ago
Solved
Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...
ungefär 6 år ago
Solved
Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...
ungefär 6 år ago
Solved
Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
ungefär 6 år ago
Solved
Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...
ungefär 6 år ago
Solved
Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...
ungefär 6 år ago
Solved
Triangle Numbers Below N
This is an offshoot of <http://www.mathworks.com/matlabcentral/cody/problems/5-triangle-numbers Cody Problem 5: Triangle Numbers...
ungefär 6 år ago
Solved
Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...
ungefär 6 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.
ungefär 6 år ago
Solved
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...
ungefär 6 år ago
Solved
Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
ungefär 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...
ungefär 6 år ago
Solved
Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
ungefär 6 år ago
Solved
Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...
ungefär 6 år ago
Solved
Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...
ungefär 6 år ago