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How to vectorize for loop of partial arrays?
Hi, this is a vectorized version of your loop. k = ones(1000,1); b = 10*rand(25,1); f = ones(25,1); a = 10*rand...
casi 10 años hace | 0
How can I delete numbers in a matrix that is not equal to numbers in another matrix?
Hi, you can use logical indexing with the 'ismember' function: A= A(ismember(A,B))
casi 10 años hace | 1
How can I calculate the product of elements in even positions in a vector using a for loop, without using sum or prod built-in functions?
Hi, you can use the modulo function to detect the even positions and then simply multiply the values. z = (50)*rand(1,100...
casi 10 años hace | 0
Out of memory error with 8GB and 64bit
Hi, considering the mentioned size of a matrix, the matrix would occupy ~20GB or ~10GB in the case of single precision. With ...
casi 10 años hace | 0
| aceptada
Comparing more than two columns of a matrix using '<' or '>' symbol
Hi, you can achieve this by using B = diff(-A,1,2) < 0 You have to concatenate a column of zeros, so that A and B are ...
casi 10 años hace | 0
If statement with 2 matrices
Hi, if statements on matrices can often be realized with logical indexing. Assuming the matrix B is of type 'logical', your ...
alrededor de 10 años hace | 0
| aceptada
Why complex arrays take twice as much memory on GPU than on CPU ?
Hi, this behaviour is not a difference between CPU and GPU. It is the general case that the complex nuber uses twice the memo...
alrededor de 10 años hace | 0
Plotting data on a 2d plane with colorbar
Hi, an easy way of doing this is the scatter plot. Use it like this scatter(x,y,[],z,'filled') <</matlabcentral/answe...
alrededor de 10 años hace | 2
Resuelto
Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...
alrededor de 10 años hace
In an assignment A(I) = B, the number of elements in B and I must be the same.
Hi, your problem is, that the dimensions of Rainfall and CN don't match. Use the the index idx or ~idx on CN. Also the operat...
alrededor de 10 años hace | 0
| aceptada
Resuelto
Output a vector which is table of 9
Output a vector which is table of 9
alrededor de 10 años hace
Resuelto
Health app
A health app records a user's weight and displays the change in weight from the previous measurement to the next. Assign weightC...
alrededor de 10 años hace
Resuelto
Writing a while loop
Write a while loop that continues to increment userValue by 5 until userValue is less than 0.
alrededor de 10 años hace
Resuelto
Preset rpm speeds
A centrifuge has four preset speeds. Write a switch statement that assigns rpmSetting with the appropriate rpm speed given prese...
alrededor de 10 años hace
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Vigenere cipher - be like Sherlock Holmes!
You're a young detective. Every detective needs a function to decrypt a vigenère cipher. It's a modification of a caesar cipher....
alrededor de 10 años hace
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Is my wife right
This is question relies on the dilemma that every married man faces in his life. Which has one simple ans: So whatever the qu...
alrededor de 10 años hace
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Calculate Simple Intrest for given data
P,N,R stands for Principle amount, No. of years and rate of intrest resp. Calculate intrest I
alrededor de 10 años hace
Resuelto
Remove All elements less than 5
Given an input vector x, remove all elements of x less than 5 . Example: Input x = [ 1 2 5 7 3 ] Output y is [ 5 7 ...
alrededor de 10 años hace
Resuelto
calculate Compound Intrest
Calculate Compound Intrest for given data
alrededor de 10 años hace
How it is possible to sum these two matrix as a vector?
If I understand you right, this should do it. function [C1,C2] = foo(A,B) C1 = zeros(16,4); C2 = zeros(16,4); i...
alrededor de 10 años hace | 0
| aceptada
Resuelto
What is the next step in Conway's Life?
Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...
alrededor de 10 años hace
Resuelto
Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...
alrededor de 10 años hace
Resuelto
Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...
alrededor de 10 años hace
Resuelto
radius of a spherical planet
you just measured its surface area, that is the input.
alrededor de 10 años hace
plot a certain x,y values from a large matrix
You can use the colon operator to select a subset of your vector, like plot(x(500:2500),y(500:2500))
alrededor de 10 años hace | 0
Resuelto
Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...
alrededor de 10 años hace
Resuelto
How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...
alrededor de 10 años hace
Resuelto
Is it column vector?
Is it column vector? Check vector for column vector without using iscolumn function.
alrededor de 10 años hace
Resuelto
replace empty matrices with '[]'
for example a=1;a(:,1)=[]; returns a = Empty matrix: 1-by-0 use this as the input,and the output should be '[]...
alrededor de 10 años hace
