# Cesar Cardenas

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**Content Feed**

Question

How to adjust reshape

Hello, I'm trying to run this code but I'm still errors with reshape, not siure how to fix it. Any help will be greatly apprecia...

ongeveer een maand ago | 1 answer | 0

### 1

answerQuestion

read data to plot

Hello, I'm trying to read the data in the zip file attached with this code but I'm getting errors, not sure how I could plot the...

ongeveer een maand ago | 0 answers | 0

### 0

answersQuestion

How to fix equation code error

I would like to know if I'm coding this equation correctly?? I'm getting a error. Any help will be appreciated. Thanks. nu ...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Errors trying to get the right plots

I'm trying to get the plots shown in the enclosed image. Not sure how to fix the code. Attached the .txt data file. Any help wil...

2 maanden ago | 0 answers | 0

### 0

answersQuestion

getting errors while trying to plot

I'm trying to plot this but I'm getting errors. Not sure how to fix them. Any help will be greatly appreciated. Thanks much. ...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Reynolds stress plot error

I'm getting this error when trying to plot this: Error in BL_9 (line 15) R = (1./delta) * trapz(y, tau .* u - tau' .* u); % ...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Falkner-Skan code

Hello, I would like to know how to include or implement this equation: tau = (mu/(2*delta_y))*(4*un,2-un,3) into this code:?...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

code is right but can not the a plot

Hello, I do not what the mistake is? I'm getting the first plot. However, I have not been able to get the second plot. Not sure ...

3 maanden ago | 2 answers | 0

### 2

answersQuestion

Equation code and plots

Hello, just wanted to know if this code would be fine for this equation? and how I could get some plots and get some error resul...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

Thomas algorithm - tridiagonal matrix

Is there any other way to code and solve the tridiagonal matrix? the idea would be to try to get the plot shown. Matlab beginner...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

How to get complete curves in a plot?

Hello how can I get the plot shown based on the code below? I'm just getting two curves and would like to get the others. Any he...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

how to code equation

Nu = (0.032.*(Pr).^(1/3)).*((rho.*Uinf.*x/mu).^(1/2)).*(1 -(x0/x).^(3/4).^(-1/3); Hello, is this code right? not sure, any ...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

error with function ode45

Hello,I created this function and file but I'm getting this error: not sure what I'm doing wrong. Any help will be greatly appr...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

How can I get the exact result with this code?

Hi, I'm trying to integrate the expression shown. Just wondering how I could get the same exact result? or what am I doing wrong...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

how to code equation

I'm trying to code these equations. This is my attempt. I would like to plot Cf vs x/L, but x/L as I have it shows me an error.....

4 maanden ago | 1 answer | 0

### 1

answerQuestion

How to code equation

Hello, just wondering if this equation could be coded like this: Any feedback will be greatly appreciated. Thanks m = ...

5 maanden ago | 3 answers | 0

### 3

answersQuestion

how to code and solve integral vector field

Hi, I do not really know how to code and solve this: Any help will be appreciated. Thanks.

9 maanden ago | 0 answers | 0

### 0

answersQuestion

how to generate plot

Hi, I trying to plot de, da, dr, and dT but I can not get any line or curve. I would like to know what could be my mistake or ...

9 maanden ago | 0 answers | 0

### 0

answersQuestion

how to code transfer function

Hi, I would like to know how to code and plot this tf: This in my attempt; d = (e^-(t*s)/t1*s + 1)*dc; not sure about it...

9 maanden ago | 2 answers | 0

### 2

answersQuestion

how to include variables for plotting

Hi, I have this function and script files. I would like to know how I could plot the control moments?? de, da, dr not sure how t...

9 maanden ago | 0 answers | 0

### 0

answersQuestion

how to obtain plots from a given function

Hi, not sure how to plot xd1, xd2,,,,,xd3,,,any help will be greatly appreciated. Thanks function xdot = EoMv2(t,x) globa...

9 maanden ago | 0 answers | 0

### 0

answersQuestion

Discrete - time system

Hello, How can add N = 100, N = 50 for length N as stated in the image below? this is my attempt but not sure how add this or m...

9 maanden ago | 0 answers | 0

### 0

answersQuestion

Gauss-Markov system from statistical steady-state

I would like to write this code in a different way??. I have made some small changes but not sure what other modification could ...

9 maanden ago | 0 answers | 0

### 0

answersQuestion

Least square magnitude solution

is this a right approach to calculate the least square magnitude x* to this problem? Any help will be greatly appreciated. Thank...

10 maanden ago | 1 answer | 0

### 1

answerQuestion

Least squared matrix error

is this a right approach to calculate the least squared error x* to this problem? this is what I'm getting: Warning: Matrix ...

10 maanden ago | 0 answers | 0

### 0

answersQuestion

discrete time histories generation

how can I generate discrete time series? for part C (image below) this is my attempt: omega = sqrt(2); zeta = 1/sqrt(2); ...

10 maanden ago | 0 answers | 0

### 0

answerssecond order to first order

Hi @Sam Chak, thanks much for your help. I think it is a damped spring system. I would have an additional question. For part c ...

10 maanden ago | 0

Question

second order to first order

Hello, I'm trying to convert this system to as described here: This is my attempt but not sure...any help will be greatly a...

10 maanden ago | 2 answers | 0

### 2

answersQuestion

Gauss-Markov random sequence

I would like to know how I could create a Gauss-Markov random sequence in Matlab? any help will be greatly appreciated

10 maanden ago | 1 answer | 0

### 1

answerHow can I write and solve this equation? as a function??

How can I convert this value 0.6667 to a fraction? Thanks

ongeveer een jaar ago | 0