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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...

약 3년 전

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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 ...

약 3년 전

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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...

약 3년 전

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

약 3년 전

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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...

약 3년 전

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

약 3년 전

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

약 3년 전

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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 ...

약 3년 전

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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...

약 3년 전

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

약 3년 전

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Can any body tell me how to implement KSVD in matlab?
Here is a function which implements the K-SVD algorithm. function mD = DL_KSVD(mInitD, mX, cardinality) mD ...

4년 이하 전 | 0

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Linear Least Squares With 2 Inequality Constraints
I created a solution. It can be found here: http://math.stackexchange.com/a/1403593/33

4년 이상 전 | 0

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Linear Least Squares With 2 Inequality Constraints
Hello, I would like to know how can I solve the following Linear Least Squares problem: arg min(x) (Ax - b)'(Ax - b) s....

4년 이상 전 | 답변 수: 2 | 0

2

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Fast Anisotropic Curvature Preserving Smoothing
Fast Anisotropic Curvature Preserving Smoothing for High Quality Image Denoising

4년 이상 전 | 다운로드 수: 4 |

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Computing Mahalanobis Distance Between Set of Points and Set of Reference Points
Here is the solution fully vectorized (Though uses much more multiplications than needed): mA = reshape(bsxfun(@minus, perm...

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Computing Mahalanobis Distance Between Set of Points and Set of Reference Points
Hello, I have an n x p matrix - mX which is composed of n points in R^p. I have another m x p matrix - mY which is compo...

4년 이상 전 | 답변 수: 2 | 0

2

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Backslash for solving very big sparse matrix in Ax=b
If you're memory limited the best solution I know of is <https://en.wikipedia.org/wiki/Conjugate_gradient_method Conjugate Gradi...

4년 이상 전 | 0

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Weighted k means clustering
Usually the weighting would be using <https://en.wikipedia.org/wiki/Mahalanobis_distance Mahalanobis Distance> Matrix. If I'm...

4년 이상 전 | 0

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Reshape Video Matrix Into Long RGB Matrix and Back
I think I have a solution (At least one). going from video into one lone image: function [ mOutputImage ] = ReshapeVideo...

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Reshape Video Matrix Into Long RGB Matrix and Back
Hello, Let's say I have a Video Matrix `mVideoMatrix`. This is a 4D matrix (Numnber of Rows x Number of Columns x Number o...

4년 이상 전 | 답변 수: 3 | 0

3

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Create a LUT Table by Euclidean Distance
Ok, I created something using the ' <http://www.mathworks.com/matlabcentral/fileexchange/10064-allcomb allcomb> ' function from...

4년 이상 전 | 0

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Create a LUT Table by Euclidean Distance
Hello, I have a list of N vectors in 3D space (Points in RGB color space). We'll call that our Dictionary. The whole data ...

4년 이상 전 | 답변 수: 1 | 0

1

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Issues with The Colon (:) Operator
Hello, I have an issue with the colon operator which operates differently than expected. Let's define the following vect...

4년 이상 전 | 답변 수: 1 | 0

1

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Fast Guassian Blur
Fastest Implementation of Gaussian Blur

4년 이상 전 | 다운로드 수: 6 |

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Run Queue of Operations in Parallel
Hello, I have an Image - `mA` which I divided into Blocks: `mA1`,`mA2`, `mA3`, `mA4`. Now I have a function - `BlurImage` ...

4년 이상 전 | 답변 수: 1 | 0

1

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What frustrates you about MATLAB?
There 2 main things I want in MATLAB: # OpenCL support so we'll be able to use AMD graphics card which have great Double Prec...

4년 이상 전 | 1

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Parallel Computing Toolbox GPU using ATI with Stream?
There 2 main things I want in MATLAB: # OpenCL support so we'll be able to use AMD graphics card which have great Double Prec...

4년 이상 전 | 1

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MATLAB OpenCL
I wish MATLAB will move from CUDA to OpenCL. There are great libraries for that and it is time we'll enjoy GPU acceleration i...

4년 이상 전 | 1

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Recursive Implementation of the Gaussian Filter
he answer was simple, the article uses the coefficients value on one hand where the MATLAB implementation on the other. Namely,...

5년 이하 전 | 0

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Recursive Implementation of the Gaussian Filter
Hello, I'm trying to implement the article "Recursive Implementation of the Gaussian Filter". This article suggest an II...

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