已解决

Check if inputted variable is a string or a number
Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).

7 years 前

已解决

Find the sum of the largest two elements in a vector
With this one, you have to find the two largest elements in a vector and output the sum of those numbers.

7 years 前

已解决

Decimation
When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

7 years 前

已回答
How to use an index of a vector as a value in another matrix?
How about this? Assume you have the inputs: x = [1,1,2,2,3]; y = [1,3; 1,4; 2,3; 2,4]; Then, you can find indices ...

7 years 前 | 0

已回答
A button in GUI to move on to next image from a for loop in a different push button.
I would advise against "displaying the images from the directories in a for loop." What about the following setup? * *Pushbut...

7 years 前 | 0

| 已接受

提问

How can I find instances of a given class that exist?
If I create a figure with several graphics objects, h = figure; axes(...); axes(...); axes(...); I can find ins...

7 years 前 | 0 个回答 | 3

0

个回答

已回答
How to select particular column in xlsx file using xlsread function of MATLAB ?
Does this work? A = xlsread('test.xlsx','sheet1','A:A'); M = xlsread('test.xlsx','sheet1','M:M'); plot(A,M);

7 years 前 | 0

| 已接受

已解决

Area of a Square
Given the length x of the side of a regular square, find the area of the square, A.

7 years 前

已解决

Replace Nan!
Replace Nan in the given vector(v) with 9999.

7 years 前

已解决

Cell Operator *
Please implement operator * for cell: >> {2,3} * 2 ans = 1×4 cell array [2] [3] [2] [3] >> {2,3} * [2 3]...

7 years 前

已解决

Delete the column with all 0 !
Delete the column with all 0 data in a matrix(x). e.g. input x = 1 0 0 4 5 0 7 0 ...

7 years 前

已解决

Delete the column with all 0 in the TABLE
In the given table (T), delete the column with all 0 data. e.g. input Banana Apple Orange Mellon __...

7 years 前

已解决

Insert Special character in character cell array.
input={'a','b','c'} then ans={'a','*','b','*','c'}

7 years 前

已解决

Probability of red tulips
I hope to give you bulbs of tulip. But I do not know the color of those petals. I just know that the color is red, white or yell...

7 years 前

已解决

Rotate it!
Given a set of points, your aim is to rotate it by a given angle "theta" CCW (in 2d). The points are given in a matrix(x) of dim...

7 years 前

已解决

Shift elements of vector left
Shift elements of vector to the left. For ex. : Input_vec = [1 2 3 4 5] Output_vec = [2 3 4 5 1]

7 years 前

已解决

Replace Negative(-) by 0 and positive by 1
In a given Matrix Replace all element having *Negative sign with 0* and *Positive elements with 1* .

7 years 前

已回答
Need to store some results of a function in a matrix
If I understand your problem correctly, the values stored in _A_ when _a_=4 are being replaced by the new values generated by yo...

7 years 前 | 1

已回答
Matlab comparison of two large matricies
A couple comments: 1. Did you mean to convert to the cell array in this manner? subA = num2cell(subA); If you want to...

7 years 前 | 0

已解决

Implement a bubble sort technique and output the number of swaps required
A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

7 years 前

已解决

Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

7 years 前

已解决

calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

7 years 前

已解决

find a specific element from an matrix
Find the element from matrix which is in 2nd row and 3rd column.

7 years 前

已解决

Convert a vector of Integers into a matrix of binaries
Convert a vector of positive integers into a matrix containing their binary representation. Each column of the output contains t...

7 years 前

已解决

Determine if a row vector has NaN
Determine if a row vector x has NaN

7 years 前

已解决

Add one raw in given matrix as shown in example
*Add one raw in given matrix as shown in example* A=[1 0;0 1]; X=[3 5]; Answer must be:[1 0; 0 1;3 5]

7 years 前

已解决

JOIN STRINGS
There are two given strings 'STRING1' and 'STR ING2'.|monospaced|The output should be 'STRING1 STR ING2' or STr1='Sum';STr2='EQU...

7 years 前

已解决

Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

7 years 前

已解决

Find the position of last minimum value in an integer array with numbers
If x = [2 6 4 9 -10 3 1 5 -10] then the output should be 9, because last minimum value (-10) lies at the 9th position.

7 years 前

已解决

Convert a structure into a string
Convert the contents of each fields into a string. Example with an input structure s with 2 fields : s.age = '33' s....

7 years 前