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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. ...

13年以上前 | 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...

14年弱前 | 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...

14年弱前

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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...

14年弱前

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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. ...

14年弱前

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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...

14年弱前 | 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...

14年弱前 | 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...

14年弱前 | 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 ...

14年弱前 | 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...

14年弱前 | 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(...

14年弱前 | 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...

14年弱前 | 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

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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...

14年弱前 | 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...

14年弱前 | 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...

14年弱前 | 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...

14年弱前

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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...

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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...

14年弱前

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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...

14年弱前 | 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 ...

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

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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!...

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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...

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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...

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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...

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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 ...

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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...

14年弱前

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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...

14年弱前

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

14年弱前