Help Defining Variable Contained Within Summation Notation, and Using this Variable for Plot
Hello, you could use nested for loop. But i envision this running into an "Out of memory" problem sheerly based on the length of...

mer än ett år ago | 0

| accepted

How to create a scalar set of values
Hello, using arrayfun could be more efficient: % Taking your vector, say "P" to compute real "v_real" using "arrayfun". "arrayf...

mer än ett år ago | 0

A problem with using generalized code
Hello, the problem stems from the value of your column index; "4". You should be indexing column "5" instead on line 4 of the la...

mer än ett år ago | 1

| accepted

Multiple selection of an array
Hello, based on the indexing used in your question, i think something like this could do: % Assuming your matrix or vector to b...

mer än ett år ago | 1

| accepted

Pre allocation in matlab
leng=length(v); % length of a vector pA=zeros(1,leng); % pre-allocation with zeros

mer än ett år ago | 0

Eliminate the table inside a cell, if any NaN exists inside that table.
Hello, cellfun should do nicely CL=cellfun(@(x) any(isfinite(x.precip)),NewC2LatLon); CSelect=NewC2LatLon(CL); % Final cell ar...

mer än ett år ago | 1

| accepted

Box plots for Kruskal-Wallis
Hello, when the end point of a notch is lower than the 25th quartile of your data, that folding effect will occur. This effect i...

mer än ett år ago | 0

| accepted

Differentiation of the position vector.
Hello, you could make use of the symbolic math toolbox. The page below should get you started: https://mathworks.com/help/symbo...

mer än ett år ago | 0

| accepted

how to write a programme in matlab comparing USA states name with english alphabets, and give the unmatch letter Q as a output.. ?
you could use regexp. Refer to the link below: https://mathworks.com/help/matlab/ref/regexp.html

mer än ett år ago | 0

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

mer än ett år ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

mer än ett år ago

Select columns from a table and add them into another table
Hello, you don't need to use "groupsummary" or "vertcat" for this. Instead use; "addvars". I think this should do nicely: % Ta...

mer än ett år ago | 1

| accepted

hello, how to make a program of aggregate blending in matlab?
Hello, this might require quite some work. But to get you started, you need to first import your gradation data for different ag...

mer än ett år ago | 0

| accepted

Calculating average and standard deviation for element correction factor from excel file
Hello, this should do nicely; % Assuming your spreadsheet file is in the current (working) Matlab folder optns=detectImportOpt...

mer än ett år ago | 0

| accepted

Create new matrix with compine values
Hello, this should do nicely using a 3D-cell array: a = [0 0 1; 1 0 0; 1 0 1]; b = [1 0 1; 1 1 1;1 1 1]; c= [0 0 0 ; 1 0 0...

mer än ett år ago | 0

Solved

Suppress the French accent. Example 'Déjà présent' -> 'Deja present'

mer än ett år ago

Solved

Ordinal numbers
Given an integer n, return the corresponding ordinal number as a character string. For example, ord(1)='1st' ord(2)=...

mer än ett år ago

Solved

Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

mer än ett år ago

Solved

Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifmq zpv...

mer än ett år ago

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

mer än ett år ago

Solved

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

mer än ett år ago

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...

mer än ett år ago

Solved

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

mer än ett år ago

Solved

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

mer än ett år ago

Solved

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

mer än ett år ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

mer än ett år ago

Solved

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

mer än ett år ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

mer än ett år ago

Solved

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

mer än ett år ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

mer än ett år ago