Community Profile # Anathea Pepperl

### Virginia Commonwealth University

Last seen: 1 month ago Active since 2011

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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:...

6 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

7 years ago

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Given a and b, return the sum a+b in c.

7 years ago

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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...

7 years ago

I'm assuming that you are using a .wav file. First you will want to use |wavread| to read the audio data into Matlab. Then you...

8 years ago | 0

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Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

8 years ago

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

8 years ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

8 years ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

9 years ago

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Finding peaks
Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

9 years ago

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

9 years ago

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

9 years ago

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

9 years ago

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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 ...

9 years ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

11 years ago

What is the name of your m file? It may be that the m file is not in the MATLAB path.

11 years ago | 1

Question

How to change imellipse to include theta?
Is there a way to hack imellipse such that I can draw an ellipse and then change the angle so that major and minor axes do not j...

11 years ago | 2 answers | 0

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calling sql database from GUI
You need to pass the data. You can use ASSIGNIN as the comment above suggested, or save the data in the handles structure and u...

12 years ago | 0

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capture current image from a video-gui in a seperate gui
I'm having a bit of trouble understanding what you want to do with your GUIs. If you want to get the image from the first GUI,t...

12 years ago | 0

Question

Appending to a saved dataset
I'm trying to read data from a text file, do some data analysis, save the results in a dataset, and export my dataset into a .da...

12 years ago | 1 answer | 0

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Question

Nested Functions in GUIs
Can nested functions be used in GUIs that are generated using guide?

12 years ago | 0 answers | 0

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How do I fill 4-connected cells in an matrix?
If you have the Image Processing Toolbox, then imfill should work in this case. I tried replicating your code here: A = [...

12 years ago | 0

Programming
You can probably use the *diff* function to find the step changes, so that for the 1st column: mark = diff(column1); ind...

12 years ago | 0

¿Cómo puedo importar una señal que tengo guardada en formato csv?
You can either use csvread or textscan. With csvread, you can use: data = csvread('xxx.csv', 9, 0) var1 = data(:,1); ...

12 years ago | 0

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Question

Merging two structures of same lengths, different field names
I have a structure array called Xdata and a cell array called Ydata of the same lengths. Each Ydata depends on the date that Xd...

12 years ago | 1 answer | 0