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monkey_matlab


Florida Atlantic University

Last seen: 2 years 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...

2 years ago | 1 answer | 0

1

answer

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]; ...

6 years ago | 0 answers | 0

0

answers

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...

7 years ago | 1 answer | 0

1

answer

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...

7 years ago | 0 answers | 0

0

answers

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...

7 years ago | 2 answers | 0

2

answers

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...

7 years ago | 1 answer | 0

1

answer

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...

7 years ago | 2 answers | 1

2

answers

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...

7 years ago | 1 answer | 1

1

answer

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...

7 years ago | 1 answer | 0

1

answer

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...

7 years ago | 1 answer | 0

1

answer

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 ...

7 years ago | 1 answer | 0

1

answer

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...

7 years ago | 1 answer | 0

1

answer

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. ...

7 years ago | 1 answer | 0

1

answer

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*...

7 years ago | 1 answer | 0

1

answer

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...

8 years ago | 1 answer | 0

1

answer

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...

8 years ago | 0 answers | 0

0

answers

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...

8 years ago | 2 answers | 0

2

answers

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...

8 years ago | 1 answer | 0

1

answer

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 ...

8 years ago | 0 answers | 0

0

answers

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 ...

8 years ago | 1 answer | 0

1

answer

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...

8 years ago | 1 answer | 0

1

answer

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...

8 years ago | 2 answers | 0

2

answers

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...

8 years ago | 1 answer | 0

1

answer

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...

8 years ago | 0 answers | 1

0

answers

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...

8 years ago | 1 answer | 0

1

answer

Question


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

8 years ago | 2 answers | 0

2

answers

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...

8 years ago | 2 answers | 0

2

answers

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...

8 years ago | 2 answers | 0

2

answers

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...

8 years ago | 2 answers | 0

2

answers

Question


Find knn (nearest neighbour) point give a data set
Hello, I have this simple data set: Class1 = [1 0; 0.5 1; 0.5 1.5]; How do I go about finding the "nearest neighbor" poi...

8 years ago | 1 answer | 0

1

answer

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