已回答
Make change for a dollar amount
This question usually comes out a lot in job-interviews. The common method of implementation is using a recursive function. Save...
Make change for a dollar amount
This question usually comes out a lot in job-interviews. The common method of implementation is using a recursive function. Save...
10 years 前 | 3
| 已接受
已回答
Create equally spaced 2-d array
arrayName=bsxfun(@times,(1:n)',linspace(1,2*pi,100*n))
Create equally spaced 2-d array
arrayName=bsxfun(@times,(1:n)',linspace(1,2*pi,100*n))
10 years 前 | 0
| 已接受
已回答
How can I map consecutive elements to a vector value?
That is easy, r and c are the row and column index of X. I am assuming X is of size 22198x41, (since your m is 22198 and your...
How can I map consecutive elements to a vector value?
That is easy, r and c are the row and column index of X. I am assuming X is of size 22198x41, (since your m is 22198 and your...
10 years 前 | 0
| 已接受
已回答
Creating a function that identifies repeated items in a vector
testVector=[11 22 33 44 55 66 77 99 11 102]; result=(numel(testVector)~=numel(unique(testVector))) if testVector has...
Creating a function that identifies repeated items in a vector
testVector=[11 22 33 44 55 66 77 99 11 102]; result=(numel(testVector)~=numel(unique(testVector))) if testVector has...
10 years 前 | 1
| 已接受
已提交
loadLandSat8(metaFileName,bandList)
loading LandSat images using the metadata
10 years 前 | 1 次下载 |
已回答
finding index of min value in a matrix
So, you know what elements of the matrix you want to check? If that is so, then let's say the row and column of those three e...
finding index of min value in a matrix
So, you know what elements of the matrix you want to check? If that is so, then let's say the row and column of those three e...
10 years 前 | 1
| 已接受
已回答
How to count number of devices in a given area ?
If you know the polygon defining the coverage all you need to do is find out if a point falls in that coverage or not. MATLAB...
How to count number of devices in a given area ?
If you know the polygon defining the coverage all you need to do is find out if a point falls in that coverage or not. MATLAB...
10 years 前 | 0
| 已接受
已回答
How to delete a set of numbers in the end of nth text file ?
So read the numbers in an array numberArray=myreadingfunction(...); then filter those that you don't want Lets say your ...
How to delete a set of numbers in the end of nth text file ?
So read the numbers in an array numberArray=myreadingfunction(...); then filter those that you don't want Lets say your ...
10 years 前 | 0
| 已接受
已回答
Circularity of an image
does it have to be circularity? Can you replace circularity with the ratio between major/minor axis length?
Circularity of an image
does it have to be circularity? Can you replace circularity with the ratio between major/minor axis length?
10 years 前 | 0
| 已接受
已回答
How can I remove everything except leaves?
Use a combination of hsv and activecontour I=imread('Finger2.png'); hsv=rgb2hsv(I); m=(hsv(:,:,1)>0.08 & hsv(:,:,1)<0...
How can I remove everything except leaves?
Use a combination of hsv and activecontour I=imread('Finger2.png'); hsv=rgb2hsv(I); m=(hsv(:,:,1)>0.08 & hsv(:,:,1)<0...
10 years 前 | 1
| 已接受
已回答
parfor. Error: The variable eavg in a parfor cannot be classified.
your parfor is based on i0 eavg is not being sliced by that. So it doesn't know how to slice eavg and then once it comes out ...
parfor. Error: The variable eavg in a parfor cannot be classified.
your parfor is based on i0 eavg is not being sliced by that. So it doesn't know how to slice eavg and then once it comes out ...
10 years 前 | 0
| 已接受
已回答
Is there a facility witin Matlab(r2014b), which would allow the user to see an entire image display(even using a sliding window)?
Check <http://www.mathworks.com/help/images/ref/imscrollpanel.html imscrollpanel()>. Also http://www.mathworks.com/help/image...
Is there a facility witin Matlab(r2014b), which would allow the user to see an entire image display(even using a sliding window)?
Check <http://www.mathworks.com/help/images/ref/imscrollpanel.html imscrollpanel()>. Also http://www.mathworks.com/help/image...
10 years 前 | 0
| 已接受
已回答
How to concatenate or save iteration from a loop when the answers are vectors?
add an extra dimension So instead of Answer(i)= .... write Answer(i,j)= .... where j is the loop index. ...
How to concatenate or save iteration from a loop when the answers are vectors?
add an extra dimension So instead of Answer(i)= .... write Answer(i,j)= .... where j is the loop index. ...
10 years 前 | 0
| 已接受
已回答
Creating a gradient ascent matlab function?
It is the same as gradient descent except that you don't multiply your step by a negative sign. So your step has the same sign a...
Creating a gradient ascent matlab function?
It is the same as gradient descent except that you don't multiply your step by a negative sign. So your step has the same sign a...
10 years 前 | 0
| 已接受
已回答
How to calculate period of signal with matlab
use autocorrelation. If your data is periodic you should get high correlation once the lag time matches the period. here is an e...
How to calculate period of signal with matlab
use autocorrelation. If your data is periodic you should get high correlation once the lag time matches the period. here is an e...
10 years 前 | 10
| 已接受
已回答
Convert nearly created string in a structure format to a variable name in a for loop
I code it something like this: (note the use of ( ) while referencing structure fields with string, such as *A.(carNumber).speed...
Convert nearly created string in a structure format to a variable name in a for loop
I code it something like this: (note the use of ( ) while referencing structure fields with string, such as *A.(carNumber).speed...
10 years 前 | 1
| 已接受
已回答
How to read and write this file?
[h11,h12,h22]=textread('data.txt','%f %f %f','headerlines',2);
How to read and write this file?
[h11,h12,h22]=textread('data.txt','%f %f %f','headerlines',2);
10 years 前 | 1
| 已接受
已回答
Sparse Arrays - Specific Function?
s=sprand(100,100,0.05); s(sub2ind(size(s),1:100,1:100))=1.0; *or* s=sprand(100,100,0.05); s(1:101:(100*100))=1.0...
Sparse Arrays - Specific Function?
s=sprand(100,100,0.05); s(sub2ind(size(s),1:100,1:100))=1.0; *or* s=sprand(100,100,0.05); s(1:101:(100*100))=1.0...
10 years 前 | 0
| 已接受
已回答
Going from switch case construct to loop?
put your current code in a function such as function outputMorse=char2morse(inputeChar) So this function gets a characte...
Going from switch case construct to loop?
put your current code in a function such as function outputMorse=char2morse(inputeChar) So this function gets a characte...
10 years 前 | 0
| 已接受
已回答
what is the x-axis in the figure represent ? frequency, samples?
the way that you are using stem function, the x axis would be the index number. So your xFFT is an array of 201 double precis...
what is the x-axis in the figure represent ? frequency, samples?
the way that you are using stem function, the x axis would be the index number. So your xFFT is an array of 201 double precis...
10 years 前 | 1
| 已接受
已回答
For what reason an ODE solver could run for ever?
It could be various reason. How do you store the variables? Once running the code for twice the time t_max=2000, are you sto...
For what reason an ODE solver could run for ever?
It could be various reason. How do you store the variables? Once running the code for twice the time t_max=2000, are you sto...
10 years 前 | 0
| 已接受
已回答
how to convert a series of RGB images into grayscale and save them?
Actually you are only saving the last snap shot as grayscale. Change your code to this: for i=1:10 a=getsnapshot (cam...
how to convert a series of RGB images into grayscale and save them?
Actually you are only saving the last snap shot as grayscale. Change your code to this: for i=1:10 a=getsnapshot (cam...
10 years 前 | 1
| 已接受
已回答
how can i validate in my code if a user inputs non numeric values? how can i limit just for 4 values?
use <http://www.mathworks.com/help/matlab/ref/validateattributes.html validateattributes>. You can check for both type and si...
how can i validate in my code if a user inputs non numeric values? how can i limit just for 4 values?
use <http://www.mathworks.com/help/matlab/ref/validateattributes.html validateattributes>. You can check for both type and si...
10 years 前 | 0
| 已接受
已回答
recognize count white dots in grey background
Generally this should work. Use graythresh and im2bw to make a mask of white dots and then use bwconncomp to count them. Chec...
recognize count white dots in grey background
Generally this should work. Use graythresh and im2bw to make a mask of white dots and then use bwconncomp to count them. Chec...
10 years 前 | 0
| 已接受
已回答
Coding Euler's Method!!
Your code is correct. What is x0 = [2;0;0]; at the end though. Here is a modified version of your code. It is modified in...
Coding Euler's Method!!
Your code is correct. What is x0 = [2;0;0]; at the end though. Here is a modified version of your code. It is modified in...
10 years 前 | 0
| 已接受
已回答
Three ways to do the same integration leading to three different speeds: why?
Calling a function has some overhead. So you are adding that overhead 1,000,000 times and that's why it takes longer. The sam...
Three ways to do the same integration leading to three different speeds: why?
Calling a function has some overhead. So you are adding that overhead 1,000,000 times and that's why it takes longer. The sam...
10 years 前 | 0
| 已接受
已回答
Geo or Map Raster Reference Orientation
Look at it this way, you have A of size MxN. then each element of A can be referenced as A(r,c) or A(1,1) A(1,2) A(1,3) ...
Geo or Map Raster Reference Orientation
Look at it this way, you have A of size MxN. then each element of A can be referenced as A(r,c) or A(1,1) A(1,2) A(1,3) ...
10 years 前 | 0
| 已接受