Community Profile # monkey_matlab

### Florida Atlantic University

Last seen: ungefär ett år ago Active since 2015

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Question

Plot spectrogram plot just like pre 2015
Hello, How to generate a spectrogram plot in Matlab 2017 to be just like that obtained by specgramdemo() That is, generate...

mer än ett år ago | 1 answer | 0

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Question

Plot Bode asymptote from Transfer Function
Hello, I have a simple transfer function and able to plot the exact Bode Diagram: num = [2 100]; den = [0.25 1 1 0]; ...

nästan 5 år ago | 0 answers | 0

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Question

Input Dialogue box text not breaking line
Hello, In the code below, I am attempting to break the lines of text in the dialogue box to two lines: line 1: What Text o...

nästan 6 år ago | 1 answer | 0

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Question

Simplify Forward Kinematics symbolic solver output
Hello, in the code below, the output for the sybmolic solver gives very large numerators and denominators. I tried using the di...

nästan 6 år ago | 0 answers | 0

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Question

Find the rth "0" in specific columns in a matrix
Hello, In the code below, thanks to the solution by Cedric Wannaz posted <https://www.mathworks.com/matlabcentral/answers/362...

nästan 6 år ago | 2 answers | 0

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Question

Find index of first zero searching from left first column first row, then find index of first zero searching from last column last row
Hello, In the code below, I am attempting to find the index of first zero searching from the left first column first row, goi...

nästan 6 år ago | 1 answer | 0

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Question

imrotate in Matlab App Desinger
Hello, Is it possible to rotate an image in Matlab app designer? I input an image using the following code: % Code th...

nästan 6 år ago | 2 answers | 1

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Question

Rotate image in Matlab app designer
Hello, I was able to get an image rotated using Matlab GUI. I am now trying to implement the same effects using Matlab App D...

nästan 6 år ago | 1 answer | 1

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Question

Reset Constant value in Simulink from Matlab GUI
Hello, In this very simplistic model of just a constant in Simulink, I wanted to RESET the value to zero by hitting the RESET...

nästan 6 år ago | 1 answer | 0

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Question

Rotate image using slider in Matlab
Hello, I am attempting to rotate an image in Matlab GUI using a slider. I tried to follow the directions given in the stack ex...

nästan 6 år ago | 1 answer | 0

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Question

Add markers at min max points in a triangular plot
Hello, I wanted to add dots at the min, max points on the triangular plot that I have generated so that my final plot can look ...

nästan 6 år ago | 1 answer | 0

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Question

Is it possibe to have a custom image as a control in Matlab App Designer?
Hello, I would like to know if it is possible to have an image like this <</matlabcentral/answers/uploaded_files/90115/rce32...

nästan 6 år ago | 1 answer | 0

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Question

Make faces of cube transparent
Hello, I have made a 3D cube but would like to have the faces appear transparent. How do I go about doing that? Thanks. ...

ungefär 6 år ago | 1 answer | 0

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Question

Symplify symbolic expression instead of outputting very large denominator values
Hello, In this code: z = 1; Q = z^2 -1.368*z + 0.368 + 0.368*k*z + 0.264*k I get the answer as: Q = (79*...

mer än 6 år ago | 1 answer | 0

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Question

Show separate figures next to each other, not using "subplot"
Hello, I wanted to know if there is a simple way to show multiple separate figures next to each other, without overlap. I tr...

nästan 7 år ago | 1 answer | 0

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Question

Error Histogram in Artifical Neural Network Skewed - cause of poor success rate?
Hello, I am running a Artificial Neural Network algorithm in Matlab using the following <https://www.researchgate.net/post/Ho...

nästan 7 år ago | 0 answers | 0

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Question

Insert "1" at specific ranges in a matrix
Hello, I am trying to generate a 40 x 360 matrix that has 1's every 9 columns. After the 9th column, the 1's should now be i...

nästan 7 år ago | 2 answers | 0

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Question

Split uigetdir line into two or more lines
Hello, I am trying to split a uigetdir line into two lines like this: datapath = uigetdir('C:\Users\bossman\Desktop\LaTe...

nästan 7 år ago | 1 answer | 0

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Question

Classify Image using SVM after PCA analysis
Hello, I need some help to classify a test image to belong to the correct person. I am using PCA with a SVM classifier to ...

nästan 7 år ago | 0 answers | 0

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Question

Compare each row of array, then return the number of rows that are equal
Hello, I was trying to compare each row, one by one, and then return the number of rows that are equal. For example, for the ...

nästan 7 år ago | 1 answer | 0

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Question

imshow multiple pgm files from different subfolders
Hello, I have 40 sub folders each with 10 images per subfolder. Each pgm image is 112 x 92. I wanted to generate 8 figure...

nästan 7 år ago | 1 answer | 0

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Question

dir() gives extra information
Hello, I wanted to just get the number of subfolders from a specific main folder. The main folder contains files, together with...

nästan 7 år ago | 2 answers | 0

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Question

Find number of files in multiple subfolders with specific extension
Hello, I have multiple sub folders in one main folder. These multiple sub folders contains files with the same extension .pg...

nästan 7 år ago | 1 answer | 0

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Question

Is changing the 'KernelScale' in the fitcsvm equivalent to changing the sigma value?
Hello, I am using this command: cl3 = fitcsvm(X,Y,'KernelFunction','rbf', 'Standardize',true,'BoxConstraint',10,'ClassNa...

nästan 7 år ago | 0 answers | 1

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Question

Change location of legend in a legned(h,{.....}) format
Hello, I was using the example found on the <https://www.mathworks.com/examples/statistics/mw/stats-ex18316588-train-svm-clas...

nästan 7 år ago | 1 answer | 0

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Question

change the rbf in SVM
Hello, I am using the command cl = fitcsvm(X,Y,'KernelFunction','rbf',... 'BoxConstraint',Inf,'ClassNames',[-1,1]...

nästan 7 år ago | 2 answers | 0

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Question

Plot projection points after PCA analysis
I have these simple points: X = [-0.7142;-1.7142;-1.7142;-0.7142;1.2857;1.2857;2.2857]; Y = [1.2857;0.2857;-0.7142;0.285...

nästan 7 år ago | 2 answers | 0

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Question

Get value from function to be used in another program part 2
Hello, I have this function function [x y] = centroid(X) X = X/sum(X(:)); [m,n]=size(X); [I,J]=ndgrid(1:m,1...

nästan 7 år ago | 2 answers | 0

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Question

Quadprog says the problem is non-convex
Hello, I am trying to get the solution of the SVM algorithm for the two classes listed. I am trying to use quadprog to solve f...

nästan 7 år ago | 2 answers | 0