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Last seen: 約2ヶ月 前 |  2021 年からアクティブ

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質問


set the tick format of y axis
How can I set the format of the ticks of the y axis? I want to change the upper one to the lower one, as the former is too wid...

4ヶ月 前 | 4 件の回答 | 0

4

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質問


setting the yticklabels with $10^{-2}$ appearing at the top
I want the y axis to be labelled as But I actually got The problem is that the ticklabels are too wide. How can I make it...

8ヶ月 前 | 1 件の回答 | 0

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質問


is matlab automatically updating xlim and ylim?
The code to put the text at the wanted location is as follows: XL=xlim; YL=ylim % str = strcat("E_{ex}=",num2str(exac...

8ヶ月 前 | 1 件の回答 | 0

1

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質問


How to make sure that the horizontal axes of two figures align?
I have two figures, which I want to put side by side in my thesis. These two figures have different x and y labels and ticks, ...

8ヶ月 前 | 2 件の回答 | 0

2

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質問


what kind of plot is useful for comparing two matrices?
I have two 5*5 matrices. I want to use a plot to show that they are close element-wise. What plot is suitable? I think the p...

8ヶ月 前 | 2 件の回答 | 0

2

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質問


eigs with complex hermitian matrix, should I set opts.issym to 1?
If the matrix is real and symmetric, I guess it is safe to set opts.issym = 1. But what if the matrix is complex and hermitian?...

9ヶ月 前 | 1 件の回答 | 0

1

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質問


what does the vertical line in the editor window mean?
I notice that in the editor window, there is a vertical ruler. What is the purpose of this vertical line?

10ヶ月 前 | 1 件の回答 | 0

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質問


function handle with input parameters
I need to invoke the 'eigs' function to calculate the lowest eigenvalue of a hermitian matrix, which I do not construct explicit...

10ヶ月 前 | 1 件の回答 | 0

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質問


Is it possible to just set the lower limit of the y-axis?
I just want to set the lower limit of the y-axis to zero. But with 'ylim', I have to also set the upper limit, which I do no...

10ヶ月 前 | 1 件の回答 | 0

1

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質問


what is the extra data in a dictionary?
When a matrix is converted to a dictionary, the memory assumption increases as demonstrated below. What is the extra data in a d...

10ヶ月 前 | 0 件の回答 | 0

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質問


why is dictionary introduced so later in matlab?
I have been using matlab since 2006, but I have never heard of the dictionary structure untile recently when I started learning ...

11ヶ月 前 | 0 件の回答 | 0

0

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質問


using global variables to avoid passing by value
It is often heard that using global variables is a bad practice. However, personally, I often declare some variable as global ...

11ヶ月 前 | 2 件の回答 | 0

2

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質問


Matlab should introduce functions like ‘’abs2‘’
Now matlab has only the function 'abs'. In many case, I need not abs but abs2. The function abs2 is a inbuilt function in ...

約1年 前 | 0 件の回答 | 0

0

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質問


use of svds with function handles
I want to do singular value decomposition of a matrix A, which is very big but simply structured. Specifically, it is a rank-2 m...

3年以上 前 | 2 件の回答 | 0

2

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