已解决
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
10 years 前
已解决
Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...
10 years 前
已解决
Basic commands - Where did I install Matlab?
Please make a function, which returns path to Matlab installation folder
10 years 前
已回答
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...
10 years 前 | 0
已解决
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...
10 years 前
已解决
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...
10 years 前
已解决
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...
10 years 前
已解决
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...
10 years 前
已解决
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...
10 years 前
已解决
Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...
10 years 前
已解决
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...
10 years 前
已解决
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 =...
10 years 前
已解决
Put all numbers in a string inside square brackets
Examples: 'left3down2' -> 'left[3]down[2] 'fiat500' -> 'fiat[500]
10 years 前
问题
Put all numbers in a string inside square brackets
Examples: 'left3down2' -> 'left[3]down[2] 'fiat500' -> 'fiat[500]
10 years 前 | 3 | 27 个解题者
问题
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 '-...
10 years 前 | 0 | 34 个解题者
已提交
Symbolic derivatives
Computation of symbolic derivatives without the Symbolic Math Toolbox.
10 years 前 | 2 次下载 |
已解决
Cell of repeated string
Example: From 'asdf' create {'asdf';'asdf';'adsf';'asdf'} if n=4
10 years 前
已解决
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...
10 years 前
问题
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...
10 years 前 | 3 | 54 个解题者
已回答
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...
10 years 前 | 0
已解决
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 ...
10 years 前
已解决
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...
10 years 前
已回答
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...
10 years 前 | 0
已回答
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(...
10 years 前 | 0
| 已接受
已回答
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 ...
10 years 前 | 1
已回答
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...
10 years 前 | 2
已回答
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')...
10 years 前 | 2
| 已接受
已解决
Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
10 years 前