Rahul
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Accept 20 answers given by other contributors
Awarded to Rahul on 29 Apr 2024
Feeds
Question
Writing a code to determine the gradient change in a profile
Hi, I'm trying to write a code which can determine the gradient change in a given profile. However the code is unable to determ...
25 jours il y a | 1 réponse | 0
1
réponseQuestion
Regarding choosing correct boundary condition
Hi, I have a condition where at the left boundary and the right boundary I need the flux to be non-zero. Thus, the equations ...
environ un mois il y a | 1 réponse | 0
1
réponseQuestion
Issue with contour plot due to different size
Hello, As cited above I want to have a contour plot, but the problem is the size of X and Z are different. as given below: x...
3 mois il y a | 1 réponse | 2
1
réponseQuestion
How to import multiple .mat files to the workspace?
Hello, I have 72 no. of .mat files at a location (as in the path in code) which is not possible to import manually. Hence I tr...
3 mois il y a | 1 réponse | 0
0
réponseQuestion
How to import multiple .mat files to workspace?
Hi, As cited above, I'm trying to import multiple .mat files (total 72 no. of .mat files) which are at the location as in the c...
3 mois il y a | 2 réponses | 0
2
réponsesQuestion
Issue with integration using trapz
Hello, I'm trying to implement integration using trapz. But the resultant quantity after integration is negligibly small and do...
3 mois il y a | 1 réponse | 0
0
réponseQuestion
Error while extracting MIN and MAX values from a given data
Hi, While trying to extract the min and max values from a given data, the code is unable to extract correctly for data.variable...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
Error in determining MIN and MAX values from a given vector
Hi, From the attached data my intention is to determine the min and max values for pressure. Thus in data.variable.pressure th...
3 mois il y a | 1 réponse | 0
0
réponseQuestion
Error during contour plot
Hi, While trying to generate a contour plot, I'm getting an error which is thown as "The size of X must match the size of Z o...
4 mois il y a | 1 réponse | 0
1
réponseQuestion
Why does it give error in spectrogram plotting?
Hello, I'm getting an error while generating spectrogram. It shows "Dot indexing is not supported for variables of this type....
4 mois il y a | 1 réponse | 0
1
réponseQuestion
How to fix the error in pdepe?
Hi, In the attached code, it throws an error which says Error using ^ Incorrect dimensions for raising a matrix to a power....
6 mois il y a | 1 réponse | 0
1
réponseQuestion
How to fix the error in integration?
Hi, While performing an integration using trapz it throws an error "Array indices must be positive integers or logical values."...
6 mois il y a | 1 réponse | 0
1
réponseQuestion
Why is the error in the attached code?
Hi, I'm getting an error in the attached code which I'm unable to decode. Hence need your advice in the same. Attached herew...
6 mois il y a | 1 réponse | 0
1
réponseQuestion
How to introduce 2nd order derivative term in pdepe?
Hi, Refer to the subject cited above, I'm not sure if it is possible or not to introduce second order derivative term in pdepe?...
7 mois il y a | 1 réponse | 0
1
réponseIssue with solving pdepe
Hi, plz find attached the set of equations Also i found one mistake in the code that I corrected in the code below. However, ...
7 mois il y a | 0
Question
Issue with solving pdepe
Hello, Wishing you all a Merry Christmas I'm trying to solve a pdepe consisting of 6 equations which consists pressure, densit...
7 mois il y a | 1 réponse | 0
1
réponseQuestion
Why am I receiving the error?
Hello, I'm receiving an error in my code when run. It shows Error using pdepe Unexpected output of PDEFUN. For this problem P...
8 mois il y a | 1 réponse | 0
1
réponseQuestion
How to retrieve data from a Excel sheet saved at a particular location in pc?
Hello, I want to retrieve data from an excel sheet stored at a particular location in the pc, the path of that particular file ...
8 mois il y a | 1 réponse | 0
1
réponseQuestion
How to code a ramp function?
Hi, I tried to code a ramp function as attached herewith. But getting an error "Operands to the logical AND (&&) and OR (||)...
9 mois il y a | 1 réponse | 0
1
réponseHow to plot frequency spectrum in log-log scale?
Hi Dyuman Joshi, Regarding the the above code for generating frequency spectrum, I'd like to know if it is possible to generat...
9 mois il y a | 0
Question
How to plot power law frequency spectrum?
Hello friends, I want to plot power law frequency spectrum for the turbulence intensity data as attached. So far I understand...
9 mois il y a | 1 réponse | 0
1
réponseQuestion
Why do I have an error in pdepe solving?
Hi all, I'm having an error while solving a pdepe. It gives me the error "Index exceeds the number of array elements. Index...
9 mois il y a | 1 réponse | 1
1
réponseQuestion
How to plot frequency spectrum in log-log scale?
Hello, I'm trying to plot a frequency spectrum for a given set of data with log scales in both axes which should scale as 10^0,...
10 mois il y a | 2 réponses | 0
2
réponsesQuestion
How to zoom in to a particular point of an image?
Hi, I'm trying to zoom in to a particular point of an image and not the full image. In the above figure, I want to zoom i...
11 mois il y a | 2 réponses | 0
2
réponsesQuestion
How to code a 1D-random walk with wait time?
Hi, I'm trying to write a code for 1D-random walk with waiting time between jump of particle. But, the code gives error. If...
12 mois il y a | 1 réponse | 0
1
réponseQuestion
How to determine phase shift between two waveforms?
Hi, I want to determine the phase shift between two waveforms. One of the waveform is considered as pivot/fixed and the second ...
environ un an il y a | 1 réponse | 0
1
réponseQuestion
How to determine phase shift and slope for a varying waveform?
Hi, I have 12 nos. of probes which detects and picks signals (namely obp1n to obp12n). After determining the spectogram and fil...
environ un an il y a | 1 réponse | 0
1
réponseQuestion
How to determine phase shift?
Hi, In the plot as attached, is there any way that matlab provides to determine the phase shift. The problem is that one plot...
environ un an il y a | 1 réponse | 0
1
réponseQuestion
How to plot angle (in radians) versus phase shift?
Hi, I want a profile with phase angle plotted against angle in radians. Presently I have a code with phase angle plotted again...
environ un an il y a | 1 réponse | 0
1
réponseQuestion
Why does polyfit gives two outputs?
Hi, I want to plot a line passing through a set of points, which is as in the code below. To determine the slope I used polyf...
environ un an il y a | 2 réponses | 0
2
réponses
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