Mario Trevino

Johns Hopkins University

Last seen: 8ヶ月前 | 2011 年からアクティブ

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質問

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?

3年弱前 | 1 件の回答 | 0

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質問

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...

3年弱前 | 2 件の回答 | 1

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質問

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...

6年以上前 | 1 件の回答 | 0

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質問

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...

約10年前 | 0 件の回答 | 0

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質問

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 ...

10年以上前 | 0 件の回答 | 0

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質問

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 ...

11年弱前 | 2 件の回答 | 0

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質問

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...

約11年前 | 2 件の回答 | 0

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質問

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

約11年前 | 2 件の回答 | 0

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質問

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...

約11年前 | 2 件の回答 | 0

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質問

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

11年以上前 | 1 件の回答 | 0

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質問

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...

11年以上前 | 1 件の回答 | 0

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質問

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...

12年弱前 | 2 件の回答 | 0

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質問

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 ...

12年弱前 | 2 件の回答 | 0

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質問

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...

約12年前 | 1 件の回答 | 0

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質問

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

12年以上前 | 4 件の回答 | 0

4

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質問

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:...

12年以上前 | 1 件の回答 | 0

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質問

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...

12年以上前 | 1 件の回答 | 0

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質問

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 ...

12年以上前 | 1 件の回答 | 0

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回答済み
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...

12年以上前 | 0

質問

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...

12年以上前 | 3 件の回答 | 1

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質問

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...

13年弱前 | 1 件の回答 | 0

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質問

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);...

13年弱前 | 1 件の回答 | 0

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

13年弱前 | 0

質問

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...

13年弱前 | 2 件の回答 | 0

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質問

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...

約13年前 | 1 件の回答 | 0

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質問

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...

約13年前 | 1 件の回答 | 0

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質問

returning the indexes of an image displayed with a specific colormap
hi, does anyone know hot to get the numeric indexes of a displayed image with a specific user defined colormap??? for example...

約13年前 | 1 件の回答 | 0

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質問

Solving an ODE with best-fit adjustment to empirical observations
Hi everybody, I want to numerically solve an ODE but I want to fit the constants to experimental data following that ODE. Any si...

14年以上前 | 1 件の回答 | 0

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質問

ODE with discrete, external input
Hi everybody, I want to solve a simple ODE for specific discrete time points in which constats are updated externally for each s...

14年以上前 | 2 件の回答 | 0

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