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Domanda
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> #...
oltre 7 anni fa | 4 risposte | 0
4
risposteDomanda
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...
quasi 8 anni fa | 2 risposte | 0
2
risposteDomanda
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 ...
oltre 12 anni fa | 0 risposte | 0
0
rispostehow to covariance of 16*16 matrix
cov(matrix). See this http://www.mathworks.in/help/matlab/ref/cov.html
oltre 12 anni fa | 0
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...
oltre 12 anni fa | 0
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...
oltre 12 anni fa | 0
How to plot four variables value in XY graph
use hold all after first plot.
quasi 13 anni fa | 0
Domanda
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...
quasi 13 anni fa | 1 risposta | 0
1
rispostaRisolto
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
quasi 13 anni fa
Risolto
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...
quasi 13 anni fa
Risolto
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...
quasi 13 anni fa
Risolto
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...
quasi 13 anni fa
Risolto
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...
quasi 13 anni fa
Risolto
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 ...
quasi 13 anni fa
how to choose homogeneous blocks from image in matlab
Segment the image and pick up any region.
quasi 13 anni fa | 0
Risolto
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...
quasi 13 anni fa
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) ...
quasi 13 anni fa | 0
| accettato
Risolto
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]
quasi 13 anni fa
Risolto
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.
quasi 13 anni fa
Risolto
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 ...
quasi 13 anni fa
Risolto
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
quasi 13 anni fa
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...
quasi 13 anni fa | 1
| accettato
How can I find a number in a matrix?
http://www.mathworks.in/help/matlab/ref/find.html. see it.
quasi 13 anni fa | 0
| accettato
find the position of a specific cell entry
[truefalse, index] = ismember('USA', B)
quasi 13 anni fa | 0
| accettato
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...
quasi 13 anni fa | 0
| accettato
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
quasi 13 anni fa | 0
| accettato
Multiple Dice Rolls Help
Here is what I feel will work fine % function SumDice=RollDice(NumDice,NumRolls) distribution=zeros(NumDice*6,1); for rol...
quasi 13 anni fa | 0
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...
quasi 13 anni fa | 0
