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 ...

circa 14 anni fa

Risolto

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

circa 14 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 ...

circa 14 anni fa

Risolto

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

circa 14 anni fa

Risolto

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...

circa 14 anni fa

Risolto

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

circa 14 anni fa

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image toolbox help
type doc images in the command window.

oltre 14 anni fa | 0

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plotting more data from large data
Hi doc gscatter hope this helps. Regards, W.

oltre 14 anni fa | 0

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What does +(A>0) do?
I often do this to convert a logical matrix to double. However, I just tried and realized that this is slower than A = double(A>...

oltre 14 anni fa | 1

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error using imsubtract
Hi Megah, apparently both variables don't have the same class. Try image3 = imsubtract(im2double(image1),im2double(BWfinal)...

oltre 14 anni fa | 0

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Calculate the indirect distance between two points
Bahare, you might find this contribution interesting: <http://www.mathworks.com/matlabcentral/fileexchange/8625-shortest-pat...

oltre 14 anni fa | 0

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Ordered connected components
Hi Dustin, I don't have MATLAB at hand right now, so I cannot try, but I think bwboundaries should solve your problem. [...

oltre 14 anni fa | 0

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Graph analysis question
I just tried your example. While results of a kmeans clustering don't look too promising, the function clusterdata works quite w...

oltre 14 anni fa | 0

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Overlay digital elevation model on hillshade
Hi Ajay, you might want to check TopoToolbox, which includes such a function. <http://physiogeo.unibas.ch/topotoolbox/> ...

oltre 14 anni fa | 0

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Count black and white pixels on a image
How about using *blockproc* to get the number of white pixels (in case you have the image processing toolbox)? A = full(spran...

oltre 14 anni fa | 1

Domanda

Keeping k largest values in each column of a sparse matrix
Hi everyone, I am trying to implement an algorithm that involves a pruning of a large sparse matrix. The pruning scheme shoul...

oltre 14 anni fa | 1 risposta | 0

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data correction
Hi, you can identify the NaNs using the function isnan. I = isnan(dem); % where dem is the digital elevation model The inpa...

oltre 14 anni fa | 0

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Problem on fuzzy inference calculations ..
Hi, the error message says all: The first input must be a defined DOUBLE matrix Is the variable input in double format? ...

oltre 14 anni fa | 1

| accettato

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finding neighbor of a position
Hi, you might find this function useful. <http://www.mathworks.com/matlabcentral/fileexchange/16991-neighbor-indexing> ...

oltre 14 anni fa | 1

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Connect bwlabeled components
I'd start with using the function bwlabeln to label the connected components in the 3d. This, however, requires them to never ov...

oltre 14 anni fa | 0

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straighten curved Image
This is not trivial and I think you should show what you have done so far. If you haven't really started yet, you may want to lo...

oltre 14 anni fa | 0

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correlation coefficient
Hi, doc corrcoef Best regards, W.

oltre 14 anni fa | 1

| accettato

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how to draw a grid in MATLAB???
Hi, take a look at Steve's blog, where he describes how to generate a pixel grid. Perhaps, this is what you want. <http://...

oltre 14 anni fa | 1

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Kriging
To my knowlegde there is no comprehensive geostatistical software written in Matlab. I would always use packages such gstat or g...

oltre 14 anni fa | 2

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How to plot a 2D vector-field and exclude zero-vectors (dots) in the graph?
How about: I = ~(T(:,3)==0 & T(:,4)==0); quiver(T(I,1),T(I,2),T(I,3),T(I,4)); cheers, Wolfgang

oltre 14 anni fa | 2

| accettato

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Is there a way to prevent or circumvent the formation of long edges in a Deluanay Triangulation?
Hi AJP, without knowing what exactly yoou want to do, I like to link to a tool that was extremely helful to me. <http://w...

oltre 14 anni fa | 0

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TSP using GA
If this is so urgent for you, did you anything to find available code? Apparently not. Searching google with "tsp matlab ga" dir...

oltre 14 anni fa | 0

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Edge direction
Hi, to extract edges of any direction, you just need to choose the right structuring element for a morphological opening. E....

oltre 14 anni fa | 3

| accettato

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How to make a 2-d binary shape a little more round?
You could also use a median filter to remove small objects and irregular boundaries. In a BW image, the median image would act l...

oltre 14 anni fa | 0

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Locating the end points of a bridge-like structure in an image
Hi G, you might identify these two points by calculating a skeletonization of your BW-image. SK = bwmorph(BW,'skel',inf...

oltre 14 anni fa | 0