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...

6 years ago | 3 answers | 0

Question

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 ...

6 years ago | 1 answer | 2

Question

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...

6 years ago | 1 answer | 0

Question

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. ...

6 years ago | 1 answer | 0

Question

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...

6 years ago | 2 answers | 1

Question

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; ...

7 years ago | 4 answers | 0

Solved

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...

7 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

7 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".

7 years ago

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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.

7 years ago

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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....

7 years ago

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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...

7 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...

7 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 + ...

7 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...

7 years ago | 2 answers | 0

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...

7 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...

7 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 ...

7 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

7 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]

7 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 ...

7 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...

7 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...

7 years ago | 2 answers | 0

Question

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...

7 years ago | 2 answers | 0

Solved

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.

7 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

7 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 ...

7 years ago