# Allen

**Professional Interests:**

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

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**Content Feed**

How to add subscript in labels in App Designer Matlab

I am not sure what version it was introduced, but R2023b now includes an interpreter property for labels in App Designer. Use...

circa un mese fa | 0

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Current through resistor

Three resistors (R2, R3, R4) are connected in parallel as shown in the figure. If this combination is connected in series with ...

2 mesi fa

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Calculate Parallel Resistance

Three resistors connected in parallel have resistances R1, R 2, and R 3, respectively. Return the total resistance R total of ...

2 mesi fa

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Resistance of a light bulb

The current through two identical light bulbs connected in series is C Amperes. The total voltage across both bulbs is V Volts....

2 mesi fa

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Force and Motion 3

Two robots push on a large object in the same direction. One robot pushes with a force of F1 Newtons and the other with a force...

2 mesi fa

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Force and Motion 2

Two robots are pulling on an object in opposite directions. One robot pulls with a force of F1 Newtons and the other with a forc...

2 mesi fa

Inviato

octspace

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

9 mesi fa | 2 download |

Inviato

DragDataTipMode

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

9 mesi fa | 1 download |

Inviato

DragDataTip

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

9 mesi fa | 10 download |

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...

9 mesi fa | 0

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...

9 mesi fa | 0

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...

9 mesi fa | 0

| accettato

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...

9 mesi fa | 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 ...

9 mesi fa

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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...

9 mesi fa

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...

9 mesi fa | 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'...

9 mesi fa

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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 ...

9 mesi fa

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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 ...

9 mesi fa

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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...

9 mesi fa

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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...

9 mesi fa

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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...

9 mesi fa

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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.

9 mesi fa

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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...

9 mesi fa

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...

9 mesi fa | 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 ...

9 mesi fa

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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...

9 mesi fa

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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)

12 mesi fa

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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

12 mesi fa