Rahul

Last seen: 約1ヶ月前 | 2023 年からアクティブ

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質問

How to determine index for gradient?
Hello, I'm trying to determine the index for a change in gradient along the radial direction from x=0 to x=1, which is expected...

6ヶ月前 | 1 件の回答 | 0

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質問

How to implement implicit methods in partial differential equations in matlab pdepe?
Hello, Refer to the above cited subject, I'm using pdepe for solving a complex partial dieeferntial equation. I'm not sure if m...

11ヶ月前 | 0 件の回答 | 0

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質問

How to solve it for a scalar output?
Hi, I'm trying to find the electron current using the relation J=sigma[E+uxB] for which my code gives an error Unable to pe...

1年以上前 | 0 件の回答 | 0

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回答

質問

How to introduce fluctuation with respect to time in my code?
Hi, I want to introduce in my code a small fluctuation with respect to time for density and temperature. Can anyone tell me ...

1年以上前 | 1 件の回答 | 0

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質問

Is the oscillation in the picture a boundary condition problem?
Hi, I have an equation which is as follows When I solve this equation using the pdepe it shows an oscillation pattern at the...

1年以上前 | 0 件の回答 | 0

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回答済み
Issue regarding a data plot
Hi Divyajyoti, I tried to do the correction as follows percentage_difference_gI(i) = abs(Normalized_intensity_gradient(end,i+1...

1年以上前 | 0

質問

Issue regarding a data plot
Hi, I have a data as attached herewith. The blue plot represents the gradient while the orange plot represents the percentage ...

1年以上前 | 2 件の回答 | 0

2

回答

Discussion

How to determine the minimum point of a plot?
Hi, I have a plot as attached herewith in which the value of the point as shown by arrow mark is to be determined and compared ...

1年以上前 | 0

質問

How to determine the minimum point of a plot?
Hi, I have a plot as attached herewith in which the value of the point as shown by arrow mark is to be determined and compared ...

1年以上前 | 2 件の回答 | 0

2

回答

Discussion

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...

1年以上前 | 0

質問

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...

1年以上前 | 1 件の回答 | 0

1

回答

Discussion

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 ...

1年以上前 | 0

質問

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 ...

1年以上前 | 1 件の回答 | 0

1

回答

質問

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...

1年以上前 | 1 件の回答 | 2

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回答

質問

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...

1年以上前 | 0 件の回答 | 0

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回答

質問

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...

1年以上前 | 2 件の回答 | 0

2

回答

質問

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...

1年以上前 | 0 件の回答 | 0

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回答

質問

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...

1年以上前 | 1 件の回答 | 0

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回答

質問

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...

1年以上前 | 0 件の回答 | 0

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回答

質問

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...

1年以上前 | 1 件の回答 | 0

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回答

質問

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....

1年以上前 | 1 件の回答 | 0

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回答

質問

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....

2年弱前 | 1 件の回答 | 0

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回答

質問

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."...

2年弱前 | 1 件の回答 | 0

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回答

質問

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...

2年弱前 | 1 件の回答 | 0

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回答

質問

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?...

2年弱前 | 1 件の回答 | 0

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回答

回答済み
Issue 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, ...

約2年前 | 0

質問

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...

約2年前 | 1 件の回答 | 0

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回答

質問

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...

約2年前 | 1 件の回答 | 0

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回答

質問

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 ...

約2年前 | 1 件の回答 | 0

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回答

質問

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 (||)...

約2年前 | 1 件の回答 | 0

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