Solved
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
9 years ago
Solved
Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...
9 years ago
Solved
Basic commands - Where did I install Matlab?
Please make a function, which returns path to Matlab installation folder
9 years ago
Answered
Orange Color isolate from the image
You can define a set of RGB codes that define "orange" color and then apply image thresholding like this: % Load image from...
Orange Color isolate from the image
You can define a set of RGB codes that define "orange" color and then apply image thresholding like this: % Load image from...
9 years ago | 0
Solved
Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
9 years ago
Solved
Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...
9 years ago
Solved
Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...
9 years ago
Solved
Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...
9 years ago
Solved
Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...
9 years ago
Solved
Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...
9 years ago
Solved
Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
9 years ago
Solved
De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...
9 years ago
Solved
Put all numbers in a string inside square brackets
Examples: 'left3down2' -> 'left[3]down[2] 'fiat500' -> 'fiat[500]
9 years ago
Problem
Put all numbers in a string inside square brackets
Examples: 'left3down2' -> 'left[3]down[2] 'fiat500' -> 'fiat[500]
9 years ago | 3 | 25 solvers
Problem
Bracket contents of type {}
Return all bracket contents from a given string ({} type). Example: 'x = rho*x{-1} + (1-rho)*y{+1}' should yield a cell of '-...
9 years ago | 0 | 32 solvers
Submitted
Symbolic derivatives
Computation of symbolic derivatives without the Symbolic Math Toolbox.
9 years ago | 1 download |
Solved
Cell of repeated string
Example: From 'asdf' create {'asdf';'asdf';'adsf';'asdf'} if n=4
9 years ago
Solved
Wrap-around effect
In vector x of length n we define (n+1) position as going back to the first position (so called wrap-around effect). Can you ret...
9 years ago
Problem
Wrap-around effect
In vector x of length n we define (n+1) position as going back to the first position (so called wrap-around effect). Can you ret...
9 years ago | 3 | 52 solvers
Answered
how to do differentiation?
If you do not have access to Symbolic Math Toolbox, you may want to use one of my recent FileExchange submissions: <http://ww...
how to do differentiation?
If you do not have access to Symbolic Math Toolbox, you may want to use one of my recent FileExchange submissions: <http://ww...
9 years ago | 0
Solved
Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...
9 years ago
Solved
Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...
9 years ago
Answered
Problem with solving equation with 'FSOLVE'
To me it appears that the initial conditions to your optimization problem must lie within a specific, perhaps bounded, region. F...
Problem with solving equation with 'FSOLVE'
To me it appears that the initial conditions to your optimization problem must lie within a specific, perhaps bounded, region. F...
9 years ago | 0
Answered
How can I maintain zoom ratio in refreshing plot?
You can assign a user-defined callback function to the zooming tool: figure; plot(1:10); zz = zoom(); set(...
How can I maintain zoom ratio in refreshing plot?
You can assign a user-defined callback function to the zooming tool: figure; plot(1:10); zz = zoom(); set(...
9 years ago | 0
| accepted
Answered
Rotate the plot at 45 degree
I would simply rotate all data using the planar (2D) transform with respect to the origin: angle = pi/4; reference_line ...
Rotate the plot at 45 degree
I would simply rotate all data using the planar (2D) transform with respect to the origin: angle = pi/4; reference_line ...
9 years ago | 1
Answered
How to insert image in MatLab
imread() can import whole bunch of graphical data types, including .jpg and .png. Conversion to .png, as you ask, is not necessa...
How to insert image in MatLab
imread() can import whole bunch of graphical data types, including .jpg and .png. Conversion to .png, as you ask, is not necessa...
9 years ago | 2
Answered
How to setup legend for a figure with two axes (left and right)?
You can create the legend using the handles of your line objects: l1=line('parent',ax(1),'xdata',x,'ydata',y11,'color','b')...
How to setup legend for a figure with two axes (left and right)?
You can create the legend using the handles of your line objects: l1=line('parent',ax(1),'xdata',x,'ydata',y11,'color','b')...
9 years ago | 2
| accepted
Solved
Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
9 years ago