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# mpz

Last seen: 9 mois il y a Actif depuis 2022

Programming Languages:
MATLAB
Spoken Languages:
English

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Question

Solving unknwon matrix in a matrix equation using symbolic and kronecker
Hi, I need some help on how to solve the matrix equation below in MATLAB. I tried doing it using the symbolic toolbox and kronec...

9 mois il y a | 1 réponse | 0

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Question

Using for loop to generate and store matrix array and plot each cell
Hi, I am trying to generate the data for each cell and store it for the time history then plot it. I = identity matrix (4 b...

environ un an il y a | 1 réponse | 0

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Question

Using ode45 for a varying input and plot t vs x
Hi, I am having trouple to plot t vs x with a varying u using the ode45 function. Below is how I attempted to do that. The u gi...

environ un an il y a | 1 réponse | 0

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Question

Solving an integral when the parameters is a matrix - Controllability Gramian
Hi, I need solving the controllability gramian below given B and psi Psi is calculated as below as phi_s. B matrix is give b...

environ un an il y a | 1 réponse | 0

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Question

solve matrix differential equations with ode45
Hi I want to solve dy/dt=Ay(t) in matlab numerically but having a hard time coming up with a working code. My numerican and an...

environ un an il y a | 1 réponse | 0

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Question

Using a boolean operation to assign specific values for each threshold
Hi, I have a data that has noise in it and I want to convert it using boolean operation assigning specific integers based on th...

plus d'un an il y a | 1 réponse | 0

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A répondu
Measure time difference peaks and stores it
Yes that data is noisy that's why I used a boolean to only pick the ones that met my threshold. Thanks

plus d'un an il y a | 0

Question

Measure time difference peaks and stores it
Hi, Can anyone help me with a code to measure the time difference from the moment the peak is 1 till it goes back to zero and t...

plus d'un an il y a | 3 réponses | 0

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Question

Finding peak of a noisy data
I need help with finding peaks (in other words cycles) for the plot below.(data attached). I tried two methods but still cannot ...

plus d'un an il y a | 2 réponses | 0

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Question

Plotting rows of a specific column of similar value on separate figures
Hi, I am trying to make a plot of column 3 of the table "zt" below/attached. However, I need one plot per column 1 value. i.e.Un...

plus d'un an il y a | 2 réponses | 0

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A répondu
Extract specific rows and columns from excel and store in a matrix
If someone has an easy way to do it, please post. Below is how I was able to solve it. First read all the data from the excel us...

plus d'un an il y a | 0

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Extract specific rows and columns from excel and store in a matrix
There is the error I keep getting. sprintf only output Number1 not Number1.xlsm Error using readtable (line 318) Unable to fin...

plus d'un an il y a | 0

Question

Extract specific rows and columns from excel and store in a matrix
Hi I have two questions I have multiple excel files that I want to use matlab to extract specific row and columns from and then...

plus d'un an il y a | 3 réponses | 0

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Question

Plot summation series | For Loop | Creep Strain
Hi, Need some assistance in plotting the below equation. I don't know why it is not coming out right. Below is my code and the ...

presque 2 ans il y a | 2 réponses | 0

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Question

Solving a System of 2nd Order Nonlinear ODEs
Hi, I am having some issues plotting this two equations. For some reason MATLAB is taking forever to solve. Is my syntax incorr...

presque 2 ans il y a | 2 réponses | 0

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Question

Solving a System of 2nd Order Nonlinear ODEs
Hi, I need help with setting up the code for the below 2 non-linear differential equations. I do not have symbolic toolbox. Belo...

presque 2 ans il y a | 2 réponses | 0

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Question

Summation function with two variables concentration profile
Hi, Need some help plotting the attached equation For some reason my plot is not oming out as needed. For example, I want to b...

presque 2 ans il y a | 1 réponse | 0

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