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David


Last seen: 2 years 前 |  自 2013 起处于活动状态

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Is it possible to join categorical variables in table according to group variables ?
I have a table (`A`) containing a string (`x`) of IDs and categorical (`y`) data types. For example: >> A.x 11×1 string arr...

3 years 前 | 1 个回答 | 0

1

个回答

提问


Speed up count of unique elements matching a given condition in Table
I have a table (`A`) containing string (`x`) and datetime (`y`) data types. For example: >>A.x(1:10) 10×1 string array ...

3 years 前 | 1 个回答 | 0

1

个回答

已回答
How to enter: square root of (5*e^(2x-1)-1) into matlab?
S=sqrt(5*exp(2*x-1)-1);

7 years 前 | 1

| 已接受

提问


Control figure properties in maineffectsplot
I am struggling with changing the appearance of the plot generated by the |maineffectsplot| function. I would like to control...

7 years 前 | 1 个回答 | 1

1

个回答

已回答
Optimizing a distance calculation for elements within a matrix
I guess, I am just going to use the parallel computing toolbox for this. I would still welcome any suggestions to speed this up....

11 years 前 | 0

已解决


Is my wife right?
Regardless of input, output the string 'yes'.

11 years 前

已解决


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

11 years 前

提问


Optimizing a distance calculation for elements within a matrix
Following up with my series of questions, I now have a new one. Lets recap,I have a three dimensional matrix of size (x,j,k). Th...

11 years 前 | 2 个回答 | 0

2

个回答

已解决


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

11 years 前

已解决


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

11 years 前

提问


How to find zero elements in a three dimensional matrix whose neighbors are all zero.
I have a three dimensional matrix of size (i,j,k). This matrix is composed of values ranging from 0 to 255. I am interested in i...

11 years 前 | 1 个回答 | 0

1

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