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统计学

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How to construct a curve to replace the projected part of another curve?
In this image, there is a large bulge of the thin black line (data attached), how to construct a curve like the thick red line...

16 days 前 | 1 个回答 | 0

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How to calculate the length of the longest crack in this image automatically ?
How to highlight those cracks in this image and calculate their lengths?

4 months 前 | 1 个回答 | 0

1

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How can I calculate three different shaded areas?
I have three groups of sample points as attached, and intend to calculate three different shaded areas under curve from x = -40 ...

7 months 前 | 1 个回答 | 0

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How can I calculate the shaded area ?
I have a representative subset of sample points as attached, and intend to calculate the shaded area from x = -40 to x = 30.

7 months 前 | 1 个回答 | 0

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How can I add query points between two adjacent points of sampled data？
I have a representative subset of sample points as shown in column A (x), and intend to add query points (evenly) in interval ...

1 year 前 | 1 个回答 | 0

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How can I add query points between two adjacent points of sampled data and perform interpolation?
I have a representative subset of sample points as shown above, and intend to define the query points to be a finer sampling o...

1 year 前 | 1 个回答 | 0

1

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How can I retrieve those elements by their positions in a matrix?
I have a matrix example as shown above, and the data in column A, D, G share the same row index. In column B, E, H, there are ...

1 year 前 | 1 个回答 | 0

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How can I multiply a row vector with each of two column vectors?
I have a row vector and two column vectors, and intend to perform their multiplication (element by element). The following is an...

1 year 前 | 1 个回答 | 0

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How can I multiply a row vector with each of two column vectors?
I have a row vector and two column vectors, and intend to perform their multiplication (element by element). The following is an...

1 year 前 | 2 个回答 | 0

2

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How can I calculate the grouped data?
I have some grouped data, and intend to perform an element-wise squaring one by one and find out the minimum of calculated resul...

1 year 前 | 1 个回答 | 0

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