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Hidd_1


Last seen: 1 year ago |  Active since 2020

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Question


Non Linear Regression for a surface
I have the following matrices, and their dimensions: X (1*249 double) Y (1*20 double) Z (20*249 double) I know that the rela...

1 year ago | 1 answer | 0

1

answer

Question


Select a columns of a Matrix using Selector in Simulink
I am having the following simulink model, which contain a Matrix A [3×6] of doubles, and I would like have a selector that selec...

1 year ago | 1 answer | 0

1

answer

Question


Implement the Software Architecture in MATLAB\SIMLUNK and convert it to C
Hey! I would like to ask, how do you guys implement the software Architecture in MATLAB\SIMULINK, and how to translate it to a ...

1 year ago | 1 answer | 0

1

answer

Question


reference a Mathworks Algorithm found in the forum
I found an interesting algorithm in the forum, and I would like to build on it my own algorithm, and I am wondering how to cite ...

1 year ago | 1 answer | 0

1

answer

Question


Fit nonlinear regression model
I am trying the fit the eclosed data, for the X-Axis: x = 0:1:248; I enclosed the data for the Y-axis. (Each row is a curve, ...

1 year ago | 1 answer | 0

1

answer

Question


Optimization to fit a curve to data (problem with the InitialPopulationMatrix)
I am triying to fit the eclosed data using optimoptions, and for that I used the gradient descent. This is the objective functi...

1 year ago | 1 answer | 0

1

answer

Question


Relation or Pattern between curves
I am having the following curves, and I am trying to find a relation between them, or a statistical factor to use it so i can pr...

1 year ago | 2 answers | 0

2

answers

Question


Bode diagram : Warning: Error occurred while evaluating listener callback.
I wrote the following code, I am gettign this error: Warning: Error occurred while evaluating listener callback. Here is the c...

1 year ago | 1 answer | 0

1

answer

Question


Passing Data between two Apps
I have created two apps (App1, and statitics), and I would like to pass the following data from the first one into the second on...

2 years ago | 1 answer | 0

1

answer

Question


Incorrect number of input arguments
I wrote the following code, and I got a message error regarding the input arguments: lgd_1 = legend(app.UIAxes,'dTdhw(°C)','VDH...

3 years ago | 2 answers | 0

2

answers

Question


Open file selection dialog, and get an error message when no file is selected
Hey Everybody! I wrote the following code, for a GUI app: [file,filepath,filter] = uigetfile({'*.xlsx'},'Select the Excel file...

3 years ago | 1 answer | 0

1

answer

Question


Statistical calculation from the plot function
I created a plot function in an App: like this plot(app.UIAxes,app.Time,app.Tempreture_In,app.Time,app.Tempreture_out) I wou...

3 years ago | 1 answer | 0

1

answer

Question


Drop Down Button (App Designer) return index of repeated elements
I would like to select an option on the drop down button, the problem is that the options are reapeated! Thus I would like that...

3 years ago | 1 answer | 0

1

answer

Question


Link MATLAB script with App Designer
Hey Everybody! I wrote a Matlab script of a program which automate Data processing, and then I thought about creating an GUI ...

3 years ago | 1 answer | 0

1

answer

Question


Simulink vs Stateflow application for sensor
Hey! I am working on integrating a sensor in an Simulink block, such that when the sensor detect a gaz it should send a boolia...

3 years ago | 1 answer | 0

1

answer

Question


Cody Problem 25. Remove any row in which a NaN appears
I found difficulties with the Problem 25 on Cody here is my solution: function B = remove_nan_rows(A) [x,y]=size(A) [row, co...

3 years ago | 1 answer | 0

1

answer

Question


Cody Problem 38. Return a list sorted by number of occurrences
I found difficulties with the Problem 38 on Cody here is my solution: function y = popularity(x) [a,b]=size(x); s=ones(a,b);...

3 years ago | 2 answers | 0

2

answers

Question


Cody Problem 19. Swap the first and last columns
Hey I found problem with the Test 4 from the Cody Problem 19: Swap the first and last columns here is my solution: function B ...

3 years ago | 2 answers | 0

2

answers

Question


Cody Problem 14. Find the numeric mean of the prime numbers in a matrix.
I found difficulties with the 14th Problem on Cody here is my solution: function out = meanOfPrimes(in) [a,b]=size(in) sum = ...

3 years ago | 4 answers | 0

4

answers

Question


checkerboard matrix (Problem Nr 4 from Cody)
I found this problem on Cody: Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. T...

3 years ago | 1 answer | 0

1

answer

Question


Colored graph (Known function)
I would like to create a graph similar to this one: (I already know the Mathematical function) I can draw the function, but t...

3 years ago | 1 answer | 0

1

answer

Question


create a Moving Box Simulation in 1D
I am trying to create a simulation like this one: And I have problems making the rectangular box moves, here is the function ...

4 years ago | 2 answers | 0

2

answers

Question


PD controller (Time domain)
I would like to design a PD controller, to control a moving mass (=1Kg) along the x-axis so it moves from rest (point A) to anot...

4 years ago | 2 answers | 0

2

answers

Question


create a three-dimensional surface plot
Hello everybody! I want to create a three-dimensional surface plot using the function surf, but unfortanatley there is a bug in...

4 years ago | 1 answer | 0

1

answer