Allen

Last seen: 約2ヶ月前 | 2017 年からアクティブ

Professional Interests:
App Building, Fourier Analysis and Filtering, Signal and Data Processing, Seismology, Mechanical Engineering

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octspace
Create logarithmic spacing with 1/N-th octave bands over a specified frequency range.

4ヶ月前 | ダウンロード 2 件 |

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DragDataTipMode
A custom class definition that replaces standard data tips with draggable versions in order to maintain a clear view of all plot...

4ヶ月前 | ダウンロード 1 件 |

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DragDataTip
Creates draggable data tips with custom labeling options on some 2-D plots. Custom labels options can also be applied to standar...

4ヶ月前 | ダウンロード 5 件 |

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the loop is not terminated it keeps on going
It is not clear why you initialize Diff as a vector whos size is equal to x. After you first compute Diff using the norm functio...

4ヶ月前 | 0

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Whats wrong with these two functions in my app?
The application property (error) that you are tyring to use is being created upon the start of the application, but you have fai...

4ヶ月前 | 0

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How can I infer from the data cursor position, the index of the closest datapoint
Julian, What you are asking for sounds very much like what the brush data tool does. However, there are a few extra steps requi...

5ヶ月前 | 0

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Problem with 2 plots, one in not showing and second one is showing up empty.
Jana, For both examples you are only plotting a single set of scalar values (e.g. a point) during each interation of the for lo...

5ヶ月前 | 0

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Must be in the front row...
You are given a matrix followed by a single number. Your object is to write a script that will shift the matrix around so that ...

5ヶ月前

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Write a function man that takes a row vector v and returns a matrix H as follows..
Write a function called man that takes a row vector v as an input and returns a matrix H whose first column consist of the eleme...

5ヶ月前

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Ordering of an array based off conditions
You can perform sorting to a specified order using a categorical array. To do this you will need to restructure your original va...

5ヶ月前 | 0

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Too Many Zeros, Dump Them!
Sometimes when I create a matrix, I use this syntax: a = zeros(1000,1000); But when the function ends, I find that I don'...

5ヶ月前

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Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

5ヶ月前

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Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

5ヶ月前

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A matrix of extroverts
Now that the introverts have had their script, the extroverts spoke up (naturally!) and demanded one as well. You will be given...

5ヶ月前

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Enlarge array
Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

5ヶ月前

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Remove entire row and column in the matrix containing the input values
Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

5ヶ月前

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frame of the matrix
Given the matrix M, return M without the external frame.

5ヶ月前

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subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

5ヶ月前

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Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

5ヶ月前

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Read/Write CSV for Code Generation
There are a number of options for reading CSV files. The following functions are few that I use and differ many in the type of w...

5ヶ月前 | 0

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Some Assembly Required
The input to this function is a matrix of real numbers. Your job is to assemble the rows of the matrix into one large row that ...

5ヶ月前

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Calculate a modified Levenshtein distance between two strings
Inspired by the Cody problem found here. The Levenshtein distance is a charater-based string metric used to measure the differe...

5ヶ月前

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Calculate compression ratio of engine
Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)

7ヶ月前

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Calculate Engine Power
Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm

7ヶ月前

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Multiplication of gigantic matrices
You can use datastores and tall arrays to work with large amounts of data. See references to both. https://www.mathworks.com/he...

7ヶ月前 | 0

質問

How can I display numbers in scientific notation but in magnitudes of 3 and to 3 significant digits?
I am trying to display rounded values <double> in a uitable and would like do so concisely. Using scientific notation is great f...

8ヶ月前 | 1 件の回答 | 0

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Expand a figure in a PDF file
Chris, Regular figures have several properties that allow you to control their size when converted to an image, and should work...

11ヶ月前 | 0

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app-designer, rename variables
I am unable to find which version of MATLAB addressed and added this functionality to AppDesigner, but at least back to R2022a y...

12ヶ月前 | 0

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App Designer - Plotting from Arrays
If the data type of your x and y variables is a double-array, then you are using the wrong syntax to access the data. Use parent...

12ヶ月前 | 0

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Passing objects from app designer to the workspace
Though I would recommend using one of @Adam Danz's solutions since they are typically a safer method of passing data, assignin c...

12ヶ月前 | 1

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