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Nithin Banka


2018 年からアクティブ

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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'

6年以上 前 | 0

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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));...

6年以上 前 | 0

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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...

6年以上 前 | 1

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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 = ...

6年以上 前 | 0

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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...

6年以上 前 | 0

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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.

6年以上 前 | 0

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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 ...

6年以上 前 | 0

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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...

6年以上 前 | 0

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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; ...

6年以上 前 | 0

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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...

6年以上 前 | 2

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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 ...

6年以上 前

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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...

6年以上 前

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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...

6年以上 前

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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...

6年以上 前

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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...

6年以上 前

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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...

6年以上 前

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Triangle Numbers Below N
This is an offshoot of <http://www.mathworks.com/matlabcentral/cody/problems/5-triangle-numbers Cody Problem 5: Triangle Numbers...

6年以上 前

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Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

6年以上 前

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Is my wife right?
Regardless of input, output the string 'yes'.

6年以上 前

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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.

6年以上 前

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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...

6年以上 前

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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...

6年以上 前

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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...

6年以上 前

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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...

6年以上 前

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Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

6年以上 前

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Create a vector
Create a vector from 0 to n by intervals of 2.

6年以上 前

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

6年以上 前

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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...

7年弱 前

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square root
Find the square root (y) of an input (x).

7年弱 前

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Find max
Find the maximum value of a given vector or matrix.

7年弱 前

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