Meghana Dinesh

Mindflow Technologies

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Find closest 8-connected chessboard distance between multiple pairs of points: shortest m-path
I am working on binary images. I have two sets of points: PNodes and FNodes. I want to find the closest PNode to each of the FNo...

nästan 7 år ago | 1 answer | 0

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Function similar to bwconncomp, but on 3D point clouds.
Is there a MATLAB function which does this: _Given a 3D matrix (say, point cloud) two adjacent pixels should be connected if...

ungefär 7 år ago | 0 answers | 0

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Element by element (xor) operation on cells.
I have two variables, |Test| and |Train|. |Test| = |cell| of dimension |10 x 1| and |Train| = |cell| of dimension |20 x ...

mer än 7 år ago | 1 answer | 0

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Eliminate all rows with '\N' element in a cell
This is a simple question, but I'm getting confused cuz of the different datatypes in cell I have Cell_A (attached). I want t...

nästan 8 år ago | 1 answer | 0

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how to detect the value angle of rotation object ?
You can find the major axes of all the four objects. The direction of each of their major axis gives the angle of rotation.

mer än 8 år ago | 0

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Starting a new line
Are you typing your code in the Command Window? Then use "..." and < enter > <</matlabcentral/answers/uploaded_files/48325/Un...

mer än 8 år ago | 0

Answered
I'm trying to simplify an expression or equation symbolically and I get the same error every time. Undefined function or variable 'x'.
What exactly is your command? It seems like you haven't told MATLAB what the value of |x| is. First, initialize a value for |x| ...

nästan 9 år ago | 0

| accepted

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hello guys, i have mat file < 15151x723 double > but i want this file with 3 columns only. after 15151 rows i want next 3 columns should come bellow that.same with next 3 columns ...hope you understand...
Have you tried using |reshape|? If a = [1 2 3 4 5 6 10 20 30 40 50 60 100 200 300 400 500 600 1000 2000 3000 4000 ...

nästan 9 år ago | 0

Answered
how can i replace white pixel (in binary image) with a color pixel of another image?
I do this all the time. This is what I do: |mask| is the binary image mask (2D) (converted to logical values). |rgbImg| is th...

nästan 9 år ago | 1

nästan 9 år ago | 0

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how to find pixels in donut slices
Do you mean the _intensity_ values of each pixel in an image? If so, use <http://in.mathworks.com/help/images/ref/imtool.html...

ungefär 9 år ago | 0

Answered
what does this error means-"Function definitions are not permitted at the prompt or in scripts."?
It means you are trying to define a function in the prompt or maybe within a different script. This is not permitted in MATLAB. ...

ungefär 9 år ago | 0

ungefär 9 år ago | 0

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Want to find a specific column of needed data
Have you tried using <http://in.mathworks.com/help/matlab/ref/ismember.html#btcnv44-12 |ismember|>? I believe you can use a comb...

ungefär 9 år ago | 0

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Detect irregular dark spots in a gray scale image.
I require ideas to detect these kind of black spots in a gray scale image. <</matlabcentral/answers/uploaded_files/39748/Gra...

ungefär 9 år ago | 1 answer | 0

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3D Point Cloud to 2D depth image
Use <http://in.mathworks.com/help/vision/ref/disparity.html |disparity|>.

ungefär 9 år ago | 0

Solved

Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

ungefär 9 år ago

Solved

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

ungefär 9 år ago

Solved

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

ungefär 9 år ago

Solved

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

ungefär 9 år ago

Solved

Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

ungefär 9 år ago

Solved

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]

ungefär 9 år ago

Solved

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

ungefär 9 år ago

Solved

The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

ungefär 9 år ago

Solved

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

ungefär 9 år ago

Solved

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

ungefär 9 år ago

Solved

Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

ungefär 9 år ago

Solved

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...

ungefär 9 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. Example...

ungefär 9 år ago

Solved

Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

ungefär 9 år ago

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