Daniel Dolan

Last seen: 1 jour il y a | Actif depuis 2009

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Using MATLAB since 1999.

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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 ...

4 mois il y a | 0

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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...

4 mois il y a | 2 réponses | 0

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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...

5 mois il y a | 2 réponses | 0

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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...

11 mois il y a | 0

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

plus d'un an il y a | 0

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A résolu

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...

plus de 2 ans il y a

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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...

plus de 3 ans il y a | 1 réponse | 0

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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...

presque 4 ans il y a | 1 réponse | 1

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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...

environ 4 ans il y a

A soumis

SMASHtoolbox/release
Sandia Matlab AnalysiS Hierarchy

presque 6 ans il y a | 8 téléchargements |

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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...

environ 6 ans il y a | 1 réponse | 1

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

environ 7 ans il y a | 1 téléchargement |

A répondu
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 ...

plus de 7 ans il y a | 0

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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...

plus de 8 ans il y a

A résolu

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

plus de 8 ans il y a

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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...

plus de 8 ans il y a

A résolu

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...

plus de 8 ans il y a

A résolu

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

plus de 8 ans il y a

A résolu

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 ...

plus de 8 ans il y a

A résolu

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...

plus de 8 ans il y a

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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".

plus de 8 ans il y a

A résolu

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 ...

plus de 8 ans il y a

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

plus de 8 ans il y a

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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...

plus de 8 ans il y a

A résolu

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

plus de 8 ans il y a

A résolu

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

plus de 8 ans il y a

A résolu

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 ...

plus de 8 ans il y a

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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...

plus de 8 ans il y a

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...

plus de 8 ans il y a | 3 réponses | 0

3

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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...

plus de 10 ans il y a | 1 réponse | 0

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