Community Profile

photo

Mario Trevino


Johns Hopkins University

Last seen: 대략 1개월 전 |  2011년부터 활동

Followers: 0   Following: 0

연락

통계

  • Thankful Level 4
  • First Review

배지 보기

Feeds

보기 기준

질문


Need to create audio signal for perceptual task
Hi there everyone, Im working with a perceptual task. Imagine we have a dot that is projected on your screen. On different trial...

대략 1개월 전 | 답변 수: 0 | 0

0

답변

질문


Can someone help me open a Simulink file from an old version of matlab? (probably around year 2000)
Hi there everybody I wonder if someone of you could help me open an old Simulink file and store it in a more recent version?

1년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Password protect mat files
Hi there everybody, Im writing an application and I would like to password protect the generated mat files... is there an easy w...

1년 초과 전 | 답변 수: 2 | 1

2

답변

질문


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...

거의 4년 전 | 답변 수: 0 | 0

0

답변

질문


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...

거의 5년 전 | 답변 수: 0 | 0

0

답변

질문


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...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


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 ...

5년 초과 전 | 답변 수: 0 | 1

0

답변

질문


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...

6년 초과 전 | 답변 수: 0 | 1

0

답변

질문


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...

8년 초과 전 | 답변 수: 0 | 0

0

답변

질문


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 ...

거의 9년 전 | 답변 수: 0 | 0

0

답변

질문


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 ...

9년 초과 전 | 답변 수: 2 | 0

2

답변

질문


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 ...

9년 초과 전 | 답변 수: 0 | 0

0

답변

질문


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...

9년 초과 전 | 답변 수: 2 | 0

2

답변

질문


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

9년 초과 전 | 답변 수: 2 | 0

2

답변

질문


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...

9년 초과 전 | 답변 수: 2 | 0

2

답변

질문


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

거의 10년 전 | 답변 수: 1 | 0

1

답변

질문


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...

거의 10년 전 | 답변 수: 1 | 0

1

답변

질문


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....

대략 10년 전 | 답변 수: 0 | 0

0

답변

질문


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...

10년 초과 전 | 답변 수: 2 | 0

2

답변

질문


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 ...

10년 초과 전 | 답변 수: 2 | 0

2

답변

질문


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...

10년 초과 전 | 답변 수: 1 | 0

1

답변

질문


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

거의 11년 전 | 답변 수: 4 | 0

4

답변

질문


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:...

거의 11년 전 | 답변 수: 1 | 0

1

답변

질문


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...

거의 11년 전 | 답변 수: 1 | 0

1

답변

질문


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 ...

거의 11년 전 | 답변 수: 1 | 0

1

답변

답변 있음
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...

대략 11년 전 | 0

질문


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...

대략 11년 전 | 답변 수: 3 | 1

3

답변

질문


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...

11년 초과 전 | 답변 수: 1 | 0

1

답변

질문


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);...

11년 초과 전 | 답변 수: 1 | 0

1

답변

답변 있음
VideoReader.m and read.m in MATLAB 64 bit
NICE! little bug, simple solution, big headache. thank you very much Walt!

11년 초과 전 | 0

더 보기