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Ismaeel


Active since 2013

Programming Languages:
MATLAB
Spoken Languages:
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Question


How to sort and save the sorted table in app designer?
I am using "uitable" to display an editable and sortable table after reading data from an excel sheet. However, when I sort the ...

5 Monate ago | 1 answer | 0

1

answer

Answered
Customized icon from appdesigner is low quality
Exactly same here using R2021b. I tried 24x24px and 16x16px as suggested by Rhea and many other sizes but no improvement.

5 Monate ago | 0

Answered
LSTM time series forecasting with 3 inputs using chickenpox example
Thank you Jon Cherrie, for your help. It works for me now (with an edit in the standerization and destanderization of the inpu...

8 Monate ago | 0

Question


How to predict multi time-steps forecasting using lstm layer and "predict"?
The chickenpox example of lstm forecasting accepts only a single input array. It is suggested to use the function "predict" for ...

8 Monate ago | 0 answers | 0

0

answers

Question


How can I work with hybrid inputs (numerical + categorical variables) to create a neural network
I want to create a neural network model with two inputs: Input 1: numerical values Input 2: categorical dummy variables (cale...

9 Monate ago | 1 answer | 0

1

answer

Question


Why I keep receiving this message: "For deep learning, the simulation target language must be set to C++"?
I am using MATLAB R2021b (the latest version). This error also occured in the previous version. I replaced the "RL Agent" block...

9 Monate ago | 0 answers | 0

0

answers

Question


How to extract "Actor" part of a pre-trained agent (RL - DDPG)
I have trained a DDPG agent and it works fine. I want to extract the "Actor" network of this pre-trained agent. I don't need the...

9 Monate ago | 0 answers | 0

0

answers

Answered
MATLAB Coder: How do I build the Intel MKL-DNN library for Deep Learning C++ code generation and deployment?
This was not expected from a company like MathWork, unfortunatley. Issues like these had to be much more simpler to be solved.

9 Monate ago | 0

Question


How to linearize a Simulink system with RL Agent
I have trained a reinforcement learning controller and it works fine. I want to linearize the system with and without the agent....

9 Monate ago | 0 answers | 0

0

answers

Question


How to look under a locked mask (RL Agent)
I have trained a reinforcement learning agent in Simulink and it works fine. I want to see the internal blocks and the connectio...

9 Monate ago | 0 answers | 0

0

answers

Question


Changing the font size of a block parameter value in Simulink 2019a
I have been using MATLAB 2018 and previous versions and I did not have problem with changing the font size of block parameter va...

fast 3 Jahre ago | 0 answers | 0

0

answers

Question


How to enforce ode15s to solve a DAEs system with some state variables limited by a range?
I have a set of DAEs to be solved for state and algebraic variables in the form of vectors. Two vectors of the state variables (...

fast 3 Jahre ago | 1 answer | 0

1

answer

Question


How to find eigenvalue of a matrix (attached) having three variables?
I have a 33X33 matrix with three variables (KA1, KA2, KA3). I want to take its eigenvalues. The eigenvalue should be a function ...

etwa 3 Jahre ago | 1 answer | 0

1

answer

Question


Is it possible to convert a symbolic set of DAEs to a state-space form?
I was wodering if there is a way in Matlab to convert a set of DAEs to the state-space form symbolically; I have a system with f...

etwa 3 Jahre ago | 0 answers | 0

0

answers

Question


What does this "fsolve" message tell me?
I used fsolve for solving a set of AEs system, but at some points, there was a message (below) and I want to make sure that the ...

etwa 3 Jahre ago | 1 answer | 1

1

answer

Question


How to tell ode15s to change its max time step for a specific short time range?
I have a dynamic system coded in Matlab and solved using ode15s, and it works fine except it is slow because of the system size....

etwa 3 Jahre ago | 1 answer | 0

1

answer

Question


How to replace a "for loop" with vectorization?
Hi everyone, I have built in Simulink a user-defined function block for solving a set of algebraic nonlinear equations (with sin...

etwa 3 Jahre ago | 2 answers | 0

2

answers

Answered
change width and color of a compass plot
Thaks Adam, but I use compass function not polarplot. Anyway, I found my solution in: https://stackoverflow.com/questions/7859...

etwa 3 Jahre ago | 0

| accepted

Question


change width and color of a compass plot
I have a compass plot (attached) and I want to cnage the line width, color, and type using code not manually. Any help would be...

etwa 3 Jahre ago | 2 answers | 0

2

answers

Answered
How to add right ylabel with complex values (attached data and code)
Plotting is a basic problem in many fileds. I wonder how Matlab after years of feedbacks did not solve such a problem. The prole...

mehr als 3 Jahre ago | 0

Question


How to add right ylabel with complex values (attached data and code)
I have a matrix attached called "PF". I read the matrix and plot it using pcolor. This matrix has x-label named "x_state" and le...

mehr als 3 Jahre ago | 3 answers | 0

3

answers

Question


Highlighting a portion of an image created from a matrix using "pcolor"
I have created an image to visualize a matrix I have using pcolor function. The plot is shown below. I want to highlight element...

mehr als 3 Jahre ago | 1 answer | 0

1

answer

Question


How to get mask parameters of a Simulink block
I am trying to get the parameter values of a Simulink block. Any idea? Thanks

fast 4 Jahre ago | 1 answer | 0

1

answer

Question


How to change values of elements in a sparse matrix
I have the following sparse matrix: (1,1) 1.1000 (2,2) 2.1000 (3,3) 0.1000 (4,4) 5.100...

fast 4 Jahre ago | 1 answer | 0

1

answer

Answered
Error using xlsread (line 249) Excel Worksheet could not be activated.
I had the same problem. After closing-reopening MATLAB, it worked just fine. I have no add-in plugin in Excel.

fast 4 Jahre ago | 6

Answered
How to add a column to a matrix by matching element (attached data)
Thank you Adam, thank you Jason. Both methods work. Jason's method is relatively easier since there is no for loop.

fast 4 Jahre ago | 0

Question


How to add a column to a matrix by matching element (attached data)
Hi I have two matrices A and B with different sizes; B is smaller in size than A. I want to add another column to A by matching...

fast 4 Jahre ago | 3 answers | 0

3

answers

Question


How to save MPC (model predictive controller) to be used later on? The error message is attached.
I have designed an MPC controller in Simulink, and it works well as long as I don't exit-reopen MATLAB or don't clear the worksp...

etwa 4 Jahre ago | 3 answers | 0

3

answers

Question


How to use fsolve solution as its initial values for the next step size
Hi, I want to solve a system of nonlinear equations (having sine and cosine) inside a user-defined function in Simulink. It wor...

etwa 4 Jahre ago | 1 answer | 0

1

answer

Question


faster version of "fsolve" function
Does anybody know a function in MATLAB that can perform a similar job as "fsolve" does but faster? I have a user-defined functio...

mehr als 4 Jahre ago | 0 answers | 0

0

answers

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