Solved

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...

nästan 12 år ago

Solved

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

nästan 12 år ago

Solved

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

nästan 12 år ago

Solved

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

nästan 12 år ago

Solved

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...

nästan 12 år ago

Solved

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

nästan 12 år ago

Solved

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

nästan 12 år ago

Solved

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

nästan 12 år ago

Solved

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...

nästan 12 år ago

Solved

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...

nästan 12 år ago

Solved

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:/...

nästan 12 år ago

Solved

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; ...

nästan 12 år ago

Solved

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.

nästan 12 år ago

Solved

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 ...

nästan 12 år 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...

nästan 12 år ago | 4

| accepted

Answered
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...

nästan 12 år 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',.......'...

nästan 12 år ago | 4 answers | 0

4

answers

Answered
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

nästan 12 år ago | 0

| accepted

Answered
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 ...

nästan 12 år ago | 0

| accepted

Answered
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...

nästan 12 år ago | 0

| accepted

Question

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

nästan 12 år ago | 1 answer | 1

1

answer

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...

nästan 12 år ago | 2 answers | 0

2

answers

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,...

nästan 12 år ago | 1 answer | 0

1

answer

Answered
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,:) ...

nästan 12 år ago | 0

Answered
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...

nästan 12 år 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...

nästan 12 år ago | 2 answers | 0

2

answers

Answered
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

nästan 12 år 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...

nästan 12 år ago | 1 answer | 1

1

answer

Answered
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...

nästan 12 år ago | 0

| accepted

Answered
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 ...

nästan 12 år ago | 0