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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

12 years ago

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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

12 years ago

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

12 years ago

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Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

12 years ago

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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

12 years ago

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

12 years ago

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Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

12 years ago

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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 ago

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Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

12 years ago

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Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

12 years ago

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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:/...

12 years ago

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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; ...

12 years ago

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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

12 years ago

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Omit columns averages from a matrix
Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

12 years ago

Answered
gui and work space data sharing
If you want to access data that is in base workspace in your gui functions, use v = evalin('base','name of variable u want...

12 years ago | 4

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loop for clock in MATLAB
If you just want a loop with only 3 different intervals maybe this crude method can help Clock15=char('12:00','12:15','12:30...

12 years ago | 0

Question

Creating a cell array of size n
I need a cell array of size n, like if n is 3, I need C = {'red','red','red'} If n is 100, C = {'red','red',.......'...

12 years ago | 4 answers | 0

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How do I read the value from an individual cell in a matrix
if u want to read from 'i'th cell, data(i); % in ur case shud be suffice. data(i,:); % gives data in ith row

12 years ago | 0

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Display warning only if the "if "statement is not satisfied
if ~(qs1==q2 | qs1==q3) 'Not ok' end %If u do not like above 1 do this: if qs1==q2 | qs1==q3 else 'Not ok' end ...

12 years ago | 0

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finding the gradient of a graph between two points.
i=find(voltage==3); % this gives index of 3 in voltage vector to calculate corresponding current value at voltage = 3. j=find...

12 years ago | 0

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Character array of size n.
How do you create a character array of size n(a variable generated from code).

12 years ago | 1 answer | 1

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Question

Using assignin command in guide
%The below line is in base workspace C = char('red','red','red'); %The below code is in gui created by guide. a = get...

12 years ago | 2 answers | 0

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Question

To set default value of slider in gui
I want to set default value of slider in gui created by guide.I've tried this, 1)In gui_OpeningFcn , is set default value by,...

12 years ago | 1 answer | 0

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loop for clock in MATLAB
Clock=char('12:00','12:15','12:30','12:45','13:00','13:15','13:30','13:45','14:00'); for i = 1:size(Clock,1) Clock(i,:) ...

12 years ago | 0

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martix with mod question
Explained, for i = 1:n1*n2 % for loop with i increasing from 1 to n1*n2(48 in your case) for j = 1:n1*n2 % for loop w...

12 years ago | 0

Question

Create contents of popup menu dynamically
I want to create a popup menu with contents dynamically,based on value of a variable n in my code. Example:- If n is 2,the co...

12 years ago | 2 answers | 0

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References and Books on Object Oriented Programming in Matlab
Does this help you, http://www.mathworks.in/support/books/index_by_categorytitle.html?category=18&sortby=title

12 years ago | 0

Question

Dynamically creating Pop-up menus
Is there a way thru which i can dynamically create pop-up menus, example:- I have a graph with plots of sind(1:360),cosd(1:36...

12 years ago | 1 answer | 1

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evaluate bessel with plot
You get that error because g is a vector of length 500(reduced from 501 due to diff command you used) & omega is of length 50...

12 years ago | 0

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How to make a symmetric plot with surf?
Maybe symmetric means his plot looks symmetric and about that eps part for making those hidden regions which appear in your eps ...

12 years ago | 0