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Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

13年以上前

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Is it possible to update two different graphs?
Hi David, What exactly do you mean by "keep two different graphs going"? If you just mean that you want to have two graphs...

13年以上前 | 2

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Reading data from a text file
Hi Bry This code should work just fine to do what you describe. It uses a regular expression at each line of the text file to...

13年以上前 | 0

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plotting data with different color
data = rand(120,3) figure, hold on plot(data(:,1),'go') plot(data(:,2),'ro') plot(data(:,3),'bo') set(gca,'Colo...

13年以上前 | 2

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Purpose of guidata(hObject,handles)
Every graphics "object" (a figure, an axes, a button, a textbox etc) is represented by a "handle" variable. That's the hObject. ...

13年以上前 | 52

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How can one GUI write to an Edit Text box on another GUI?
"What's the magic recipe?" 1. Get a handle to the text box you want to edit. 2. Call: set(myHandle,'String','My New S...

13年以上前 | 2

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How can I query data?
Hi Tan, let's take this one step at a time. *STEP 1: Load your data from excel and into MATLAB* allData = xlsread('c:/yo...

13年以上前 | 1

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

13年以上前

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2 b | ~ 2 b
Given a string input, output true if there are 2 b's in it, false if otherwise Examples: 'Macbeth' -> false 'Publius Cor...

13年以上前

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Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

13年以上前

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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

13年以上前

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Back to basics 14 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

13年以上前

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creating a figure that is a segment of another
I see a few problems: Your *f* variable is still based on the original vector of *t*. You need to run: f = 53*cos(104*pi...

13年以上前 | 0

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Why does MATLAB give an error on an axes plot when I change with new variable (a22) in my formula??
Hi Sven (nice name, btw) Replace the one line: axis([qstart qstop min(a22) max(a22)]); With the two lines: dis...

13年以上前 | 1

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Correctly wrap data for spherical interpolation.
Justin, You're in luck - I've had the exact same problem and worked reasonably hard to get an acceptable solution. See the co...

13年以上前 | 1

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Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

13年以上前

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Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

13年以上前

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Back to basics 20 - singleton dimensions
Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

13年以上前

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Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

13年以上前

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Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

13年以上前

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Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

13年以上前

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Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

13年以上前

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Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

13年以上前

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Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

13年以上前

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

13年以上前

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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

13年以上前

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Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

13年以上前

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surface of a spherical planet
you just discovered its circumference, that is the input.

13年以上前

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given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

13年以上前

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2D graph + Colour. With meshed grid of variables X and Y
Hi Laura, try this: % Make your data (you've probably got your own X,Y,Z) [X,Y,Z] = peaks; % Show your data figu...

13年以上前 | 0