已解决

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

12 years 前

已解决

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 + ...

12 years 前

已解决

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 ...

12 years 前

已解决

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

12 years 前

已解决

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 ...

12 years 前

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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...

12 years 前

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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 ...

12 years 前

已解决

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...

12 years 前

已解决

Make blocks of color
Given a (Nx3) sequence of RGB colors, I want to create a (numRowBlocks x numColBlocks x 3) image comprising (blockSize x blockSi...

12 years 前

已提交

deleteoutliers
For input vector A, returns a vector B with outliers removed.

13 years 前 | 6 次下载 |

已回答
Sorting a 2d matrix according to the distance between each successive point.
Eoin, I'm not sure what those three non-zero values refer to, since I can't see your code. But if the object you are interested ...

13 years 前 | 0

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Passing array to a function
You'll need to show us a bit more. It would be particularly useful, for instance, to see line 71 of getFreq. Consider puttin...

13 years 前 | 0

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fitting the equation on a graph and finding unknown parametrs
You've gotta love the <http://www.mathworks.com/access/helpdesk/help/toolbox/curvefit/curvefit_product_page.html Curve-Fitting T...

13 years 前 | 0

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Can anyone plz help me segment vein pattern from a thresholded dorsal palm image????
Take a look at BWMORPH. It allows you to calculate the skeleton of your image. From that result, you can calculate branch points...

13 years 前 | 0

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How do i write a function containing a loop for two vectors?
Sorry, Jenny. Change those a's to s's. Brett

13 years 前 | 0

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Is there any data loss when i convert my dicom image to any other format???
If you save your image in a lossless format, the conversion is lossless. Otherwise, not necessarily. Are you converting with imr...

13 years 前 | 0

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已回答
How do i write a function containing a loop for two vectors?
I can tell you _how_ to discard your outliers, but I can't tell you if you _should_. (Is that what you're asking?) I would gu...

13 years 前 | 0

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How do i write a function containing a loop for two vectors?
Jenny, why on earth would you want to write that in a loop?(Is that a homework assignment?) And do you really need to calculate ...

13 years 前 | 0

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Sorting a 2d matrix according to the distance between each successive point.
Yes! Try this instead: stats = regionprops(cut_surface,'perimeter'); perims = [stats.Perimeter]; That will give...

13 years 前 | 0

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Problem working with 3-D image matrix
Here's another approach, just for fun: start = imread(g); multCol = reshape(repmat([4 1 0],ceil(size(start,1)/3),1),[],1)...

13 years 前 | 0

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Problem working with 3-D image matrix
Well, if you want to chop your image into thirds and it doesn't divide equally into three bins, then YOU have to decide how to c...

13 years 前 | 0

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Outward pointing normal vectors on a triangle
Are you familiar with the QUIVER command? Brett

13 years 前 | 0

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Sorting a 2d matrix according to the distance between each successive point.
Do you have the Image Processing Toolbox? Consider using REGIONPROPS, and requesting the PERIMETER of the region. Cheers, Br...

13 years 前 | 0

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Eliminating different regions based on height/width ratio calculated by boundingbox
You can also use the 'Eccentricity' property returned by REGIONPROPS. Eccentricity give the ratio of the major axis length to th...

13 years 前 | 0

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automatic resize of one graph using subplot function
Or you can just set the x- and (or) y-limits to be manual after you create your individual plots. (The default is 'automatic'.):...

13 years 前 | 0

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Accessing Workspace variables
Sorry, Erik. I didn't read your question carefully enough. Try this: eval(b(ii).name) Brett

13 years 前 | 2

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已回答
Problem working with 3-D image matrix
I'm not sure what you mean by "does not work for an image that has a decimal value after a divided three-dimensional." But I ...

13 years 前 | 0

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已回答
Accessing Workspace variables
A = whos; for ii = 1:numel(A) A(ii).name end Cheers, Brett

13 years 前 | 1

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Separating Objects in an Image
I agree with Walter about the depth ambiguity, but I think you still might be able to get reasonably good results with this imag...

13 years 前 | 1

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identifying positions of a string within a text file
Lots of ways. This one uses regular expressions: mystr = 'line $$ 1 $$ line 2' newstr = regexprep(mystr,'\$\$','New_Stri...

13 years 前 | 0