Marco Riani

Last seen: Today | Aktiv seit 2019

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Full Professor of Statistics (since 2006), University of Parma, Italy. Director of the interdepartmental center of robust statistics for big data (Ro.S.A.) of the University of Parma since 2016. He is author of more than 150 publications and two books published by Springer Verlag New York. His main research interests are robust statistics (regression, multivariate analysis and classification)

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Ranking vectors from highest to lowest including repeated ranks.
Hi William, I did it using a loop. Please let me know if the code below is what you wanted x=[0.4 0.1 0.1 0.2 0.1 0.05 0.05]; ...

etwa ein Jahr vor | 0

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Find Optimal Number of Cluster using Silhoutte Criterion from Scratch In MATLAB
x =[ [0.1 0.2 0.15 0.2 0.21 ] 1+[0.1 0.2 0.15 0.2 0.21 ]]; y =[ [0.1 0.2 0.15 0.2 0.21 ] 1+[0.1 0.2 0.15 0.2 0.21 ]]; X = [x...

etwa ein Jahr vor | 1

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Percentage of Parent Row Total or percentage of Parent Column Total in new function pivot
I wonder if it is possible in the new function pivot (MATLAB prerelease 2023A) to produce a pivot table which shows values in pe...

etwa ein Jahr vor | 1 Antwort | 0

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DBSCAN algorithm and Rand index
Function RandIndexFS of the FSDA toolbox does what you asked. For a preview of the documentation of this function please see h...

mehr als 2 Jahre vor | 0

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Retime data aggregation for ID
I think in this example it is unnecessary to use retime. I would proceed as follows. Time1=char(Time); Time2=Time1(:,4:end); ...

fast 3 Jahre vor | 2

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To this code I want to add the property that every new turn renderes a new color in the plot
Hi Robert, The above is a preview (I hope this is what you asked) Here is the code (done for example for the case nturns=5)...

etwa 3 Jahre vor | 0

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How do I find which element of the matrix was used for this equation?
Hi, just call max with two output arguments Please let me know if rowWithMaximumDifference below is what you want Best wishes...

etwa 3 Jahre vor | 1

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Nested for loop vectorization
% Hi, in your code p is not defined. I assume it is a scalar % If you want to avoid the loop the answer is % Mat=exp(-theta*...

etwa 3 Jahre vor | 0

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Import arrays in a matrix
% Please let me know if the code below is what you are looking for a=[1;2;3;4;5]; b=[6;7;8]; c=[9;10;11;12;13;14]; maxLeng...

etwa 3 Jahre vor | 0

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Set default documentation location programmatically in R2021A
Starting in R2021a, when you run MATLAB with an internet connection, the Help browser displays the web documentation by default....

etwa 3 Jahre vor | 1 Antwort | 0

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Eigenvalues (eig) and singular values (svd)
Hello Gabri, the answer in short is: "the difference is due to numerical errors". For example in the normal case % Normal cas...

etwa 3 Jahre vor | 0

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How can I plot with different markers, linestyles and colors in a loop?
Please let me know if the code below helps clear close all; clc; n = (1:6); F = rand(7,6); figure Markers={'o' '+' '*' '....

mehr als 3 Jahre vor | 1

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Trying to solve linear system of equations into matrix form error
% eqns must be linear in vars. % Specify vars as follows (for example). vars=[m1, m2, w1, w2, w_dot0, w_dot1]; [A,B] = eq...

mehr als 3 Jahre vor | 0

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Define a name of the variable using the value of other variable
Please let me know if I understood correctly your question. Month={'January'; 'January'; 'February'; 'February'}; set_of_mon...

mehr als 3 Jahre vor | 0

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how to adjust the font size of RowLabels and ColumnLabels of HeatMap
h.FontSize changes the FontSize of all xlabels, ylabels and the numbers inside the heatmap. In order to change the FontSize ...

mehr als 3 Jahre vor | 0

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I want to solve optimization problem but when run it notifide : Undefined function or variable optimvar, how to fix it ?
You need to install the Optimization toolbox

mehr als 3 Jahre vor | 0

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Matlab plot ; How to plot figures like the file attached below
Using function heatmap Create heatmap chart - MATLAB heatmap (mathworks.com)

mehr als 3 Jahre vor | 0

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Behavior of "unique" with mixed complex numbers
Please let me know if I understood correctly your qestion Atest=[-12.9753 - 0.8003i; -12.9938 - 0.4003i; ...

mehr als 3 Jahre vor | 0

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FInd distance between surface coordinates without repetition
Thanks for the clarification. Please let me know if the code below is what you wanted % Define x and y x=1:4; y=2:5; lx=leng...

fast 4 Jahre vor | 0

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FInd distance between surface coordinates without repetition
If x and y are x=[ -32.8778 -10.8573 11.3161 33.4895]; y=[ -32.8778 -10.8573 11.3161 33.4895]; the distance m...

fast 4 Jahre vor | 0

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Having trouble with legend
Hi Carly in your code just replace legend('Data',strLegend(k)); with legend({strLegend{k},'StringYouLike'}) Best Marc...

fast 4 Jahre vor | 0

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Empty sym: 0-by-1
First of all it is necessary to replace [ ] with ( ) in your equation. h1= .5 - (.25 - (1/4*(R^2))*((R^2)-.0625))^(1/2) == ...

mehr als 4 Jahre vor | 0

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How to access names of pictures in a file?
Hi, please let me know if the code below works. clear clc; % location = folder in which your template images exists locat...

mehr als 4 Jahre vor | 0

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How to get an average of two cells in specific conditions?
Hi GDT, please let me know if the code below solves your problem. x = [ 23.50128 22.0385 18.058 35.71267 25.44106 1...

mehr als 4 Jahre vor | 0

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Attempting to get fminsearch to work. Likely a silly mistake.
Dear Gus, The MATLAB sintax to make fminsearch work is L1 = 0.0337; % Length of arm 1 (Rough guess) L2 = 0.0166; % Lengt...

mehr als 4 Jahre vor | 0

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Least-median-of-squares Fitting
Least-median-of-squares fitting is implemented in function LXS of the FSDA toolbox. https://www.mathworks.com/matlabcentral/fil...

mehr als 4 Jahre vor | 0

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