Question

Problems with urlread/webread

Hi there everyone Im using a function to download stock prices from yahoo finance. The function works well with most of the tic...

9 months ago | 0 answers | 0

Question

INTRADAY STOCK PRICES WITH A FREE PROVIDER?

I wonder if there is a way to access intraday stock prices at no cost from a provider? Previously we could do that directly fro...

2 years ago | 0 answers | 0

Question

cannot send an email through matlab

Im not being able to send an email thgourh matlab.... My google account allow external applications to use it.... here is the c...

2 years ago | 1 answer | 0

Question

LifeCam Webcams Crashing in Matlab 2016a after windows update

Hi everyone Im having a serious problem trying to use my Microsoft LifeCam Webcams through MATLAB 2016a, the system can detect ...

2 years ago | 0 answers | 1

Question

VERY SLOW aqcuisition of video frames using snapshot function compared to windows camera

Im trying to acquire videos using Matlab and Microsoft webcam with maximum resolution, yet the effective sampling frequency is e...

3 years ago | 0 answers | 1

Question

Adding a special boundary condition to an ODE

Hi everyone! Im solving an ODE using fmincon and a cost function. Im able to find the best parameters of the model and Im happy...

5 years ago | 0 answers | 0

Question

displaying SET operations with MATLAB

hi everyone Im performing some set operations with MATLAB and I wonder wherther you know of any nice application which I could ...

6 years ago | 0 answers | 0

Question

Yaw, Pitch and Roll

hi Everyone I have a video where I record, on each frame, the location of a little plaque with 4 colored dots (different color ...

6 years ago | 2 answers | 0

Question

A hidden variable problem?

Hi everyone, I have a new problem in my hands and dont know the best way to approach it. I have the mRNA expression levels for ...

6 years ago | 0 answers | 0

Question

Display precision vs actual precision

Hi everyone We are running some simulations in MATLAB and storing the results afterwards. Yet, we are concerned that the actual...

6 years ago | 2 answers | 0

Question

how to send me an email from matlab running on another computer?

any suggestions?

6 years ago | 2 answers | 0

Question

detecting computer ID from matlab

Hi everyone, I wonder if any of you can tell me how to get the computer ID from within matlab? I want to make a compiled functi...

6 years ago | 2 answers | 0

Question

Cell Arrays vs Matrices

Gentlemen, are cell arrays faster or slower than Matrices to store numbers? thanks in advance! mario

7 years ago | 1 answer | 0

Question

homogeneous distribution of particles over the surface of a sphere

hi everyone, I have a very simple question Im using random numbers from a uniform distribution (range from 0 to 2*pi) to create...

7 years ago | 1 answer | 0

Question

Is there such a thing as an unsupervised optimized sampling?

I have sigmoidal processes which I want to sample with, say, 10 points each. I dont know, a priori, the shape of each sigmoid....

7 years ago | 0 answers | 0

Question

Creating synthetic images with controlled properties?

Hi everyone, Im trying to find out if there is a clever way to mathematically generate a set of different images with some key s...

7 years ago | 2 answers | 0

Question

how to open many matlab instances from matlab?

hi there, I want to make a function that opens multiple matlab instances (from within matlab) and then starts running different ...

7 years ago | 2 answers | 0

Question

RGB colors in scatter3

Im trying to plot n [X,Y,Z] dots in 3d with their colors given by C which is a nx3 matrix describing the RGB colors for each dot...

7 years ago | 1 answer | 0

Question

how to get name of a function (within the function)

Wise gentlemen: how do I get the name of a function within the function?

8 years ago | 4 answers | 0

Question

Renaming files without preserving their date and creation time

I want to rename files but without preserving their original date and creation times.So far, Ive tried two options: OPTION 1:...

8 years ago | 1 answer | 0

Question

Can you help me with a logistic regression?

I need to solve the following system: log(pR,i/pL,i)=SIGMA{ alpha_j [(rR,i-j)-(rL,i-j)]}+SIGMA{ beta_j [(cR,i-j)-(cL,i-j)]}+g...

8 years ago | 1 answer | 0

Question

Recover image from current figure without saving it

Suppose I have: figure imshow(matrix) hold on scatter(x2,y2,size2,color2, 'filled') axis square axis off ...

8 years ago | 1 answer | 0

Answered

How to make a set of RGB color combinations

Hey there, thanks for your help Im solving an image processing problem, and Im planning to create multiple masks with different...

How to make a set of RGB color combinations

Hey there, thanks for your help Im solving an image processing problem, and Im planning to create multiple masks with different...

8 years ago | 0

Question

How to make a set of RGB color combinations

I want to build a finite set of RGB colors, say 100, which maximices the overall differences (Euclidean distance) between each o...

8 years ago | 3 answers | 1

Question

How to build a rotationally symmetric mask?

Hi everyone, suppose I have 'p' given by a generalized Gaussian function and want to make a rotationally symmetric mask of it (i...

8 years ago | 1 answer | 0

Question

Need help to classify a variable for parallel computing

I have something like: parfor .... [blobCentroid(i-chunk,1:2),blobOrientation(i-chunk,1)]=blob_analysis(vidFrame_bn);...

8 years ago | 1 answer | 0

Answered

VideoReader.m and read.m in MATLAB 64 bit

NICE! little bug, simple solution, big headache. thank you very much Walt!

VideoReader.m and read.m in MATLAB 64 bit

NICE! little bug, simple solution, big headache. thank you very much Walt!

8 years ago | 0

Question

VideoReader.m and read.m in MATLAB 64 bit

read function is crashing at line 91 even after updating line 91 if( ~isempty(obj.NumberOfFrames) ) with if( ~isem...

8 years ago | 2 answers | 0

Question

Image Segmentation of cells

Hi everybody, Im trying to detect cells in images for which Im using some functions based on watershed segmentation. However, th...

8 years ago | 1 answer | 0

Question

Optimization of two linear models with constraint

I have a dataset which is a 'v-shaped' pattern of dots: y_observed and want to adjust two linear regressions with a turning poin...

8 years ago | 1 answer | 0