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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...
mer än 9 år 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 ...
mer än 9 år 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...
mer än 9 år 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. ...
mer än 9 år 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...
nästan 10 år 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; ...
ungefär 10 år 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...
mer än 10 år 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
mer än 10 år 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".
mer än 10 år 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.
mer än 10 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 10 år 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...
mer än 10 år 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...
mer än 10 år 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 + ...
mer än 10 år 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...
mer än 10 år 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...
mer än 10 år 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...
mer än 10 år 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 ...
mer än 10 år 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
mer än 10 år 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]
mer än 10 år 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 ...
mer än 10 år 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...
mer än 10 år 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...
mer än 10 år 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...
mer än 10 år 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.
nästan 11 år 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
nästan 11 år 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 ...
nästan 11 år ago