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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

circa 2 anni ago

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

circa 2 anni ago

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contour graph plotting and editting
最後に追加。 cmap = colormap; ax = gca; ax.Color = cmap(1, :);

circa 2 anni ago | 1

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

circa 2 anni ago

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

circa 2 anni ago

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Create a vector
Create a vector from 0 to n by intervals of 2.

circa 2 anni ago

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

circa 2 anni ago

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

circa 2 anni ago

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Find max
Find the maximum value of a given vector or matrix.

circa 2 anni ago

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

circa 2 anni ago

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Inner product of two vectors
Find the inner product of two vectors.

circa 2 anni ago

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

circa 2 anni ago

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How to extract a certain row from a struct based on a specific column name?
たぶんこう data(data.DisplayName == 'vfzg_w', :)

circa 2 anni ago | 0

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Answered
imreadで画像を読み込むときの解像度
例えば、 A = imread('ngc6543a.jpg'); size(A) のようにすると、変数Aのサイズ（大きさ）が画像サイズより小さいサイズになってしまうということでしょうか？もしくは表示だけの問題であれば、 image(A) では...

circa 2 anni ago | 0

Answered
How to fix a number equal to null in MATLAB
a = [ 1 2 3 -999.25 -999.25 4 5] a(a == -999.25) = 0

circa 2 anni ago | 0

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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.

circa 2 anni ago

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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.

circa 2 anni ago

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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...

circa 2 anni ago

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

circa 2 anni ago

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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...

circa 2 anni 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...

circa 2 anni ago

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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...

circa 2 anni 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....

circa 2 anni 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...

circa 2 anni 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,...

circa 2 anni 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...

circa 2 anni ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

circa 2 anni ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

circa 2 anni ago

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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]

circa 2 anni ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

circa 2 anni ago