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Daniel Dolan


Last seen: Today Active since 2009

Using MATLAB since 1999.

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Answered
Is there a faster complex exponent?
(It's a little tacky answering my own question, but I wanted to synthesize helpful comments from Walter and Bruno). The MATLAB ...

3 months ago | 0

| accepted

Question


Is there a faster complex exponent?
Is there any way to more quickly evaluate complex exponentials, i.e: where Q is a real array? Quick numerical tests show tha...

3 months ago | 2 answers | 0

2

answers

Question


uifigure vector export size/resolution
Suppose I want to export a uifigure to a vector file (*.pdf) at a specific size. The exportgraphics command has a resolution op...

4 months ago | 2 answers | 0

2

answers

Answered
Using MatLab 2022b, I am .txt files are grayed out when I use 'uigetfile' function on the newest Mac operation system 'Monterey' V 12.6.1
I don't have a complete solution, but it seems that putting *.* up front helps. [fileName,pathName] = uigetfile({'*.*';'*.txt.g...

10 months ago | 0

Answered
Where should user preferences be stored?
MATLAB's setpref/getpref commands are the best solution on specific machine, and they persist across sessions.

1 year ago | 0

| accepted

Solved


The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

2 years ago

Question


Meaning of less/greater than in handle objects
What is the meaning of less/greater than in handle objects? Here is a simple example. classdef SimpleHandle < handle en...

3 years ago | 1 answer | 0

1

answer

Question


What is with all these MATLAB updates?
Why are there so many MATLAB updates lately? There are two formal releases each year, but now it's pretty much a given that one...

4 years ago | 0 answers | 1

0

answers

Solved


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

4 years ago

Submitted


SMASHtoolbox/release
Sandia Matlab AnalysiS Hierarchy

6 years ago | 5 downloads |

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Question


MATLAB can't see browser tab created by another tab?
Try opening a website that generates tabs. For example: [status,browser,url]=web( 'http://henke.lbl.gov/optical_constant...

6 years ago | 0 answers | 1

0

answers

Submitted


Sandia Data Archive library
Functions for reading, writing, and probing SDA files

7 years ago | 1 download |

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Answered
uigetfile DialogTitle does not show in file browser
I recently encountered the problem and submitted a bug report. The response was the issue was an operating system problem, not ...

7 years ago | 0

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

8 years ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

8 years ago

Solved


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...

8 years ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

8 years ago

Solved


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

8 years ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

8 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

8 years ago

Solved


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

8 years ago

Solved


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

Solved


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

8 years ago

Solved


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...

8 years ago

Solved


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

8 years ago

Solved


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

8 years ago

Solved


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 ...

8 years ago

Solved


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...

8 years ago

Question


Where should user preferences be stored?
Suppose you have a toolbox that recognizes a variety of user preferences that are to be reused throughout a MATLAB session. Wh...

8 years ago | 3 answers | 0

3

answers

Question


Keep user documentation in a single tab
The 2013b release documentation browser shows a behavior I haven't before. When I view the documentation for a builtin function...

10 years ago | 0 answers | 0

0

answers

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