Answered
combination
I think from your question you want all permutations of the first column and the rest of the columns as a block. I.e., I think i...
combination
I think from your question you want all permutations of the first column and the rest of the columns as a block. I.e., I think i...
14 years ago | 0
Question
Selecting an answer
Ok here's a brain-teaser type question. It's multiple choice. Enjoy :) options = {'A','B','C','D}; myAnswer = options{randi...
14 years ago | 1 answer | 0
1
answerAnswered
Index exceeds matrix dimensions
It's just a small typo, I think: fprintf('Percentage of times an 8 appeared %.1f ',count_eight(roll*100)); should be: fpr...
Index exceeds matrix dimensions
It's just a small typo, I think: fprintf('Percentage of times an 8 appeared %.1f ',count_eight(roll*100)); should be: fpr...
14 years ago | 0
Answered
Function similar to bwareaopen
The following will remove any areas greater than 8000 pixels: M3 = M2 & ~bwareaopen(M2,8000); Another option would be to u...
Function similar to bwareaopen
The following will remove any areas greater than 8000 pixels: M3 = M2 & ~bwareaopen(M2,8000); Another option would be to u...
14 years ago | 3
| accepted
Answered
how to select desired row
A = [1 3 0.9 0.02 94 2 4 01 0.05 93 3 1 2 0.03 94 1 3 5...
how to select desired row
A = [1 3 0.9 0.02 94 2 4 01 0.05 93 3 1 2 0.03 94 1 3 5...
14 years ago | 0
| accepted
Answered
How to draw line vertical to Y-axis?
Hi Mehdi, try this after plotting: xlims = get(gca,'XLim'); hold on plot(xlims, [4 4], '-r') plot(xlims, [7 7], '-r') ...
How to draw line vertical to Y-axis?
Hi Mehdi, try this after plotting: xlims = get(gca,'XLim'); hold on plot(xlims, [4 4], '-r') plot(xlims, [7 7], '-r') ...
14 years ago | 1
Answered
insert zero column in a m×n matrix ?
For a given matrix A: A = rand(5,5); Using square braces to concatenate: A_zeros = [zeros(size(A,1),1) A]; Using the ca...
insert zero column in a m×n matrix ?
For a given matrix A: A = rand(5,5); Using square braces to concatenate: A_zeros = [zeros(size(A,1),1) A]; Using the ca...
14 years ago | 7
| accepted
Answered
Counting Plots on a Figure
If you have two circle origins with radius: Pt1 = [20 30]; Pt2 = [15 20]; rad1 = 7; rad2 = 12; You can determine if th...
Counting Plots on a Figure
If you have two circle origins with radius: Pt1 = [20 30]; Pt2 = [15 20]; rad1 = 7; rad2 = 12; You can determine if th...
14 years ago | 0
| accepted
Answered
Create matrix...please help me..
% So you have 2 matrices that are the same size. A = rand(4,5) B = rand(4,5)+50 % Stack them on top of each other C = ...
Create matrix...please help me..
% So you have 2 matrices that are the same size. A = rand(4,5) B = rand(4,5)+50 % Stack them on top of each other C = ...
14 years ago | 1
| accepted
Answered
How to create a random binary matrix with equal number of ones in each column?
Try: % Define your matrix size and randomly pick the number of ones matSz = [20, 40]; numOnes = randi(matSz(1)); %...
How to create a random binary matrix with equal number of ones in each column?
Try: % Define your matrix size and randomly pick the number of ones matSz = [20, 40]; numOnes = randi(matSz(1)); %...
14 years ago | 0
Answered
strcmp help
Like Fangjun said, ismember(),intersect() or setdiff() may be useful. % Make a cell array of 10 short strings firstSe...
strcmp help
Like Fangjun said, ismember(),intersect() or setdiff() may be useful. % Make a cell array of 10 short strings firstSe...
14 years ago | 0
| accepted
Answered
Aesthetic Plotting with Graphics
Not really, but you could instead use image() multiple times: xyData = randi(100, 30,2); markerIm = imread('rice.png'); ...
Aesthetic Plotting with Graphics
Not really, but you could instead use image() multiple times: xyData = randi(100, 30,2); markerIm = imread('rice.png'); ...
14 years ago | 1
Answered
determining angles
I have no experience with UTM coordinates and whether you're dealing with geometry on a curved surface, but if as you state, it'...
determining angles
I have no experience with UTM coordinates and whether you're dealing with geometry on a curved surface, but if as you state, it'...
14 years ago | 0
Answered
Image Analysis: measuring cusping and roughness
Here's how I would approach it: % Read the image and convert to BW mask of peaks I_orig = imread('cusp_micro.jpg'); I = r...
Image Analysis: measuring cusping and roughness
Here's how I would approach it: % Read the image and convert to BW mask of peaks I_orig = imread('cusp_micro.jpg'); I = r...
14 years ago | 1
| accepted
Answered
call functions with same name
Keep in mind that there is a more recommended way to accomplish this than using str2func(): Method A: At every location you cal...
call functions with same name
Keep in mind that there is a more recommended way to accomplish this than using str2func(): Method A: At every location you cal...
14 years ago | 0
Answered
generate sequence
Here's the only way I think you can do your particular choice set - don't bother storing the choices in memory, just print them ...
generate sequence
Here's the only way I think you can do your particular choice set - don't bother storing the choices in memory, just print them ...
14 years ago | 1
| accepted
Answered
generate sequence
Ack... I had a feeling you were talking about high-dimensionality. Daniel is 100% correct - 51^51 is huge. Even if you *only*...
generate sequence
Ack... I had a feeling you were talking about high-dimensionality. Daniel is 100% correct - 51^51 is huge. Even if you *only*...
14 years ago | 1
Answered
RGB Values
Your best bet would be to create a lookup from a source such as: http://en.wikipedia.org/wiki/List_of_colors. Here's my take...
RGB Values
Your best bet would be to create a lookup from a source such as: http://en.wikipedia.org/wiki/List_of_colors. Here's my take...
14 years ago | 2
Answered
remove non-circle objects from image
% Get the image as a b&w indexed (non-rgb) image I = imread('project.jpg'); BW = rgb2ind(I, 2); % Calculate its conne...
remove non-circle objects from image
% Get the image as a b&w indexed (non-rgb) image I = imread('project.jpg'); BW = rgb2ind(I, 2); % Calculate its conne...
14 years ago | 2
Answered
Is there a "once" function?
The answer was in the form of a "persistent" variable.
Is there a "once" function?
The answer was in the form of a "persistent" variable.
14 years ago | 0
| accepted
Answered
generate sequence
% The setup choices = {'A','B','C','D'}; minPos = [1 1 2 3]; maxPos = [4 3 4 4]; % Generate all possible combinatio...
generate sequence
% The setup choices = {'A','B','C','D'}; minPos = [1 1 2 3]; maxPos = [4 3 4 4]; % Generate all possible combinatio...
14 years ago | 1
Submitted
Growbubbles - maximum radius packing
Growbubbles takes centroid points and returns the maximum radius circles or spheres without overlap
14 years ago | 1 download |
Submitted
DICOMDir - OO dicom directory
DICOMDir parses and browses a given DICOMDIR dicom dictionary fie
14 years ago | 1 download |
Question
Is there a "once" function?
Hi all, I have an array of objects that should each have a property _serverDir_ set. Setting this property requires a little ...
14 years ago | 1 answer | 0
1
answerAnswered
Boxplot groups by mask set
Ah! Here's my solution. Repeat the data for as many groups as you have, and then NaN out the data not belonging to each group: ...
Boxplot groups by mask set
Ah! Here's my solution. Repeat the data for as many groups as you have, and then NaN out the data not belonging to each group: ...
15 years ago | 0
| accepted
Question
Boxplot groups by mask set
I have a vector of data, and a set of masks defining my (possibly overlapping) groups: data = rand(100,1) grpMasks = [(1...
15 years ago | 1 answer | 0