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Question

Saving Cell array and String to text file.

I have a cell_in (combination of numeric, date&time & text data) of size mxn and need to save data in a text file. Here is th...

9 years ago | 3 answers | 0

### 3

answersQuestion

XTickLabelRotation for plotyy in MATLAB 2014bis not working.

I need to plot data with two y-axis with common x-axis [date and time]. And later i would like to rotate the 'XTickLabel' by 60 ...

9 years ago | 1 answer | 2

### 1

answerQuestion

Converting cellarray to double

I have a cellarray of size 100000 x 20 and need to convert to numeric array. I used function str2double(StringData); b...

9 years ago | 1 answer | 0

### 1

answerQuestion

Plot Numeric values vs Date&Time

The text files contains Date&Time and some values. Please look in the attachments. I need to plot Second column with Date&Time. ...

9 years ago | 1 answer | 0

### 1

answerQuestion

Delete sheet number 1 in excel

I want to delete sheet number 1 in excel. Here is the code I wrote: newExcel = actxserver('excel.application'); excelW...

10 years ago | 2 answers | 1

### 2

answersQuestion

Replacing the column of array elements with NaN.

Given an array A = [0 11; 0.1 2; 0.2 5; 0.3 3; 0.4 6; 0.5 7; 0.6 10; 0.7 4; 0.8 5; ...

10 years ago | 4 answers | 0

### 4

answersSolved

Remove NaN ?

input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

10 years ago

Solved

Sum of diagonal of a square matrix

If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

10 years ago

Solved

The Hitchhiker's Guide to MATLAB

Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

10 years ago

Solved

Back to basics 11 - Max Integer

Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

10 years 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....

10 years ago

Solved

Back to basics 6 - Column Vector

Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

10 years ago

Solved

Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

10 years ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

10 years ago

Question

Arranging the cell array in the corresponding rows.

I have a cell array which has the following format: action (a1,a2,a3,...) and followed by the corresponding "id-number" like(01...

10 years ago | 2 answers | 0

### 2

answersSolved

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...

10 years ago

Solved

Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

10 years ago

Solved

Pizza value using expression with parentheses

Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

10 years ago

Solved

Find the dimensions of a matrix

Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

10 years ago

Solved

Reverse the vector

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

10 years ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

10 years ago

Solved

Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

10 years ago

Question

Eliminating zero's between rising and falling edge

A series with 1's and 0's. a = [0 0 0 1 1 1 0 0 1 1 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 ]; and so on... Now I would like to elimi...

10 years ago | 2 answers | 0

### 2

answersQuestion

How to change the size of an image loaded into the push button automatically when the window size of a GUI(GUIDE) changes.

Hello, I'm new to GUI. I am creating an user interface in GUI fusing GUIDE. I would like to include a fancy ''close'' image into...

11 years ago | 2 answers | 0

### 2

answersSolved

Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

11 years ago

Solved

CONVERT TAN TO SIN

In a right angle triangle ABC given the tan(A) then find sin(A) For example tan(A)=3/4 then sin(A)=3/5

11 years ago

Solved

Given area find sides

In a right angle triangle given area 'A' one arm=x, another arm=2x then find the value of x. For example, area A=400 then ...

11 years ago