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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...

11 months 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...

2 years ago | 1 answer | 0

### 1

answerQuestion

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...

2 years ago | 0 answers | 1

### 0

answersSolved

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...

2 years ago

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...

4 years ago | 0 answers | 1

### 0

answersSubmitted

Sandia Data Archive library

Functions for reading, writing, and probing SDA files

5 years ago | 1 download |

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 ...

6 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...

6 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...

6 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...

6 years ago

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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...

6 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...

6 years ago

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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 ...

6 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...

6 years ago

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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".

7 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 ...

7 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...

7 years ago

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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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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 ...

7 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...

7 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...

7 years ago | 1 answer | 0

### 1

answerQuestion

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...

9 years ago | 0 answers | 0

### 0

answersQuestion

Changing property attributes in a value class

Is there a way to change the attributes of a class without using dynamicprops? I would like to be able to hide and reveal prope...

9 years ago | 1 answer | 0

### 1

answerQuestion

Remote MATLAB with Java support

I am trying to launch MATLAB on a workstation with the Parallel Computing Toolbox (2012a) from a laptop. I can ssh to the work...

9 years ago | 2 answers | 0

### 2

answersQuestion

Suppress line number display in error message

Is there a way to suppress the line number display when using the error command? For example, the following statement in a func...

10 years ago | 4 answers | 1

### 4

answersSubmitted

module - encapsulate MATLAB package into a name space module

Modules are handy way to access packages in MATLAB.

10 years ago | 2 downloads |

Solved

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:...

10 years ago