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Harshit


Actif depuis 2012

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Stack overflow in mex
Hi Friends, I have one confusion regarding a mex code. The code is giving me a segmentation fault. #include<math.h> #...

environ 7 ans il y a | 4 réponses | 0

4

réponses

Question


Matlab Coder : Size Mismatch Issue
Hi, I am using MATLAB coder to generate mex files for the matlab. Here is one error I am getting in line x2_est_sym = x...

environ 7 ans il y a | 2 réponses | 0

2

réponses

Question


MATLAB expression 'R_loc' is not of the correct complexness.
Hi, This is an issue I am getting using matlab coder. While declaring C the type I used was complex. But during run time some ...

presque 12 ans il y a | 1 réponse | 0

0

réponse

Réponse apportée
how to covariance of 16*16 matrix
cov(matrix). See this http://www.mathworks.in/help/matlab/ref/cov.html

presque 12 ans il y a | 0

Réponse apportée
Function classify in matlab
The classifiers accuracy can never be 100%. The classifiers gets trained on training set and then work on the data. Porbably you...

presque 12 ans il y a | 0

Réponse apportée
How to extract pixel values in 8-bit binary format from an image?
Once you extract the pixel from image quantize it to (0,256) fixed point representation. Let the pixel be p(i,j) the output shou...

presque 12 ans il y a | 0

Réponse apportée
How to plot four variables value in XY graph
use hold all after first plot.

environ 12 ans il y a | 0

Question


MEXCallMatlab very slow. Suggest alternate
Hi, I am working on a MEX file. I am using MEXCallMatlab which is very slow to call matlab inbuilt function as well as user de...

environ 12 ans il y a | 1 réponse | 0

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réponse

A résolu


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

environ 12 ans il y a

Réponse apportée
comparing relevant elemnts of two matrix
size((A-B)>0)

environ 12 ans il y a | 0

A résolu


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

environ 12 ans il y a

A résolu


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...

environ 12 ans il y a

A résolu


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

environ 12 ans il y a

A résolu


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

environ 12 ans il y a

A résolu


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

environ 12 ans il y a

Réponse apportée
how to choose homogeneous blocks from image in matlab
Segment the image and pick up any region.

environ 12 ans il y a | 0

A résolu


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

environ 12 ans il y a

Réponse apportée
taking part of the picture
Here is an error you can't use imshow on an image. You have to first read it in a variable then use imshow on that. imshow(ROI) ...

environ 12 ans il y a | 0

| A accepté

A résolu


inner product of two vectors
inner product of two vectors

environ 12 ans il y a

A résolu


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

environ 12 ans il y a

A résolu


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.

environ 12 ans il y a

A résolu


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

environ 12 ans il y a

A résolu


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

environ 12 ans il y a

Réponse apportée
How can I reduce the time complexity of this matlab code.. Its taking lot of time to execute when an image is fed as input.
Vectorize your code. Example you don't need inner loops you can use sum to get the value of counts. In the outer two loops you a...

environ 12 ans il y a | 1

| A accepté

Réponse apportée
How can I find a number in a matrix?
http://www.mathworks.in/help/matlab/ref/find.html. see it.

environ 12 ans il y a | 0

| A accepté

Réponse apportée
find the position of a specific cell entry
[truefalse, index] = ismember('USA', B)

environ 12 ans il y a | 0

| A accepté

Réponse apportée
Scaling the values to specific range
D1=int16(S*32768) maps your any integer S*32768 outside the range to 32768 or for S>1 the output will be 32768(2^15) otherwise i...

environ 12 ans il y a | 0

| A accepté

Réponse apportée
Converting decimal value to binary
http://www.mathworks.in/help/matlab/ref/dec2bin.html. See this. It will do 2's complement for negative numbers

environ 12 ans il y a | 0

| A accepté

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Multiple Dice Rolls Help
Here is what I feel will work fine % function SumDice=RollDice(NumDice,NumRolls) distribution=zeros(NumDice*6,1); for rol...

environ 12 ans il y a | 0

Réponse apportée
how to see x and y cordinate in the plot beyond its end point?
HI Satish, If you dont have any information about the values beyond 5 and 25 then you have to extrapolate. Well the typ...

environ 12 ans il y a | 0

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