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Using assignin command in guide
1. You cannot index into variables while using assignin. Therefore trying to assign the value 'red' to C(a,:) will not work. ...

12 years 前 | 0

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How to work with Simulink project and libraries?
You can handle the common libraries within SVN using the 'externals' definition for both projects, this way you could ensure the...

12 years 前 | 0

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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...

12 years 前

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Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

12 years 前

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Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

12 years 前

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Compute cumulative sum of a column vector without for loop
A=(1:10)'; % column vector spacing = 4; % scalar solution = arrayfun(@(n) sum(A(n):A(n+spacing)), 1:length(A)-spaci...

12 years 前 | 1

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Sorting
line(1,:)= [1 2 3 4 5 6 7 8 9 10]; line(2,:)= [1.3 -2.3 4.245 12.3 -4.5 9.43 8.34 -5.3 3.54 6.4]; [line(2,:), line(1...

12 years 前 | 0

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Why can't I read the videos with MATLAB on linux?
The file formats you mentioned are purely container formats. It is the codec used to encode the underlying video streams which w...

12 years 前 | 0

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Appending two or more .mat files
You can also load data into a structure, and manipulate it from there. For example: FILE_A = load('ECU_1.mat'); FILE_B ...

12 years 前 | 0

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How to access displayed axis limits when scaling is logarithmic and data partly negative?
After you set 'axis tight' call the following commmand: set(gca, 'YLimMode', 'auto') Then 'ylim' should return: [10...

12 years 前 | 0

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how to assign names to each bar of a bar chart
You can simply add the names as the y-tick labels. somedata=randn(1,3); somenames={'mike'; 'steve'; 'alex' }; barh(...

12 years 前 | 8

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combine date & time
Be careful when working with arrays in this manner. The terms day(n) and time(n) probably don't contain what you are expecting t...

12 years 前 | 0

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how to create plot of inverse data?
Is it the y-axis you want to reverse? If so: axis ij

12 years 前 | 0

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Write a function, using arrays-vectors,' input'& 'fprintf','if' statement', 'end', 'fgetl' etc with good programming practices...like putting comments %
*HINT:* Don't post your assignments/homework word for word online, as if even someone does provide the answers a simple online s...

12 years 前 | 0

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converting double to string
To convert string to double: x = 'AVECAESAR'; y = double(x); To convert double to string: x = [65 86 69 67 65 69...

12 years 前 | 0

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UTC time
Grab the following file from the File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/7244 Then call: x...

12 years 前 | 0

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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...

12 years 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...

12 years 前

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Hackathon: the beginnings
I am thinking of a number between 1 and 10000... can you guess what this number is? *Description* The test suite has rando...

12 years 前

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Help!! (Function definitions are not permitted in this context.)
What you are doing is mixing a script and a function within a single m-file. Remove the first four lines: numer_poly = [600...

12 years 前 | 0

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Nearest
*Description* Find the value and index of the element in vector _x_ that is nearest to value _y_. _y_ should be able to be a ...

12 years 前

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First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

12 years 前

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Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

12 years 前

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Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provide...

12 years 前

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Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

12 years 前

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Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

12 years 前

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Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

12 years 前

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

12 years 前

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

12 years 前

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Lose control
Remove all characters that are below space in ASCII value.

12 years 前