Community Profile # Cesar Cardenas

Last seen: 7 dagen ago Active since 2022

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Question

How to plot these results?
Hello, I would like to know if there could be any option to plot these? not really sure how to do it. Any help will be appreciat...

8 dagen ago | 1 answer | 0

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Question

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...

5 maanden ago | 1 answer | 0

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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...

5 maanden ago | 0 answers | 0

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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 ...

6 maanden ago | 1 answer | 0

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Question

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...

6 maanden ago | 0 answers | 0

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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. ...

6 maanden ago | 1 answer | 0

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Question

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); % ...

6 maanden ago | 1 answer | 0

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Question

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:?...

6 maanden ago | 1 answer | 0

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Question

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 ...

7 maanden ago | 2 answers | 0

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Question

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...

7 maanden ago | 1 answer | 0

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Question

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...

7 maanden ago | 1 answer | 0

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Question

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...

7 maanden ago | 1 answer | 0

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Question

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 ...

7 maanden ago | 1 answer | 0

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Question

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...

7 maanden ago | 1 answer | 0

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Question

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...

7 maanden ago | 1 answer | 0

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Question

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.....

8 maanden ago | 1 answer | 0

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Question

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

8 maanden ago | 3 answers | 0

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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.

ongeveer een jaar ago | 0 answers | 0

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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 ...

ongeveer een jaar ago | 0 answers | 0

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Question

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...

ongeveer een jaar ago | 2 answers | 0

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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...

ongeveer een jaar ago | 0 answers | 0

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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...

ongeveer een jaar ago | 0 answers | 0

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Question

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...

ongeveer een jaar ago | 0 answers | 0

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

ongeveer een jaar ago | 0 answers | 0

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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...

ongeveer een jaar ago | 1 answer | 0

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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 ...

ongeveer een jaar ago | 0 answers | 0

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Question

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); ...

ongeveer een jaar ago | 0 answers | 0

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second 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 ...

ongeveer een jaar 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...

ongeveer een jaar ago | 2 answers | 0