Answered

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...

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...

1 year ago | 0

| accepted

Answered

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...

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...

1 year ago | 0

Answered

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...

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...

1 year ago | 1

| accepted

Answered

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...

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...

1 year ago | 1

| accepted

Answered

Pre allocation in matlab

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

Pre allocation in matlab

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

1 year ago | 0

Answered

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...

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...

1 year ago | 1

| accepted

Answered

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...

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...

1 year ago | 0

| accepted

Answered

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...

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...

1 year ago | 0

| accepted

Answered

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

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

1 year 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...

1 year 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:...

1 year ago

Answered

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...

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...

1 year ago | 1

| accepted

Answered

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...

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...

1 year ago | 0

| accepted

Answered

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...

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...

1 year ago | 0

| accepted

Answered

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...

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...

1 year ago | 0

Solved

Without the French accent please!

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

1 year ago

Solved

Ordinal numbers

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

1 year 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: * ...

1 year ago

Solved

Guess Cipher

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

1 year 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.

1 year 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.

1 year 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...

1 year ago

Solved

Roll the Dice!

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

1 year 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...

1 year ago

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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...

1 year 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...

1 year 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....

1 year ago

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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...

1 year ago

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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,...

1 year ago

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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...

1 year ago