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Matrix multiplication
Multiply two incoming matrices via matrix multiplication

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Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

7年以上前

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Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

7年以上前

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Add two numbers
Add two numbers (For beginners)

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true or false
if the matrix has a zero, return true. else, return false

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Sum the rows
Sum the rows of the given matrix. Example x = [ 1 2 3 4 ] y = [ 3 7 ]

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Reshape a Vector
Write a function that accept three inputs. The first one is a row vector S. The second and third arguments are m and n which de...

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Generate vector according to sign of vector
Generate vector according to sign of vector Example: If A=[-2 0 5] then output must be[-1 0 1] meaning that for negative n...

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Sort the vector with the given index
Given x = [1 2 4 8 17] and t = [1 3 2 5 4] then y = [1 4 2 17 8].

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y equals x divided by 2
function y = x/2

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Print true if
all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

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Getting the row and column location from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get <http://www.mathwo...

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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

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Y=X
Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

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Rotate matrix by -90 degrees
Rotate a Matrix by -90 degrees Example: X = 1 2 3 4 5 6 7 8 9 output = 7 4 ...

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Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

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How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

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Error in following code while converting cell to matrix
Hi, you can do it like this: V = {load('db1.mat'),load('db2.mat'),load('db3.mat'),load('db4.mat')}; n = cellfun(@field...

7年以上前 | 1

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How to crop only selected part of an image automatically?
Hi It works. But you have used imresize and have changed the segments. Also your threshold for segments sizes (200) may be larg...

7年以上前 | 1

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matlab read only first letter from string
Hi, You should use a function to read your data like: M = csvread(filename) In your code formatspec = 'f%dK.csv';...

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the number of inputs
Find the number of the inputs of the function. example y = theinputnumber(x,k); function called theinputnumber has 2 in...

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Is it prime?
Given a number, check whether it is prime or not. If prime output is true, otherwise false.

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Get 1-4-3-4-4
Get the value of the indices in the title and assign it to an array

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The prisoner
"We want information, information, information." "Who are you?" Input can be a string or a number (array).

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Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

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Values in Array
How many values are in the array

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Sum the elements in either diagonal of a square matrix
Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal. (Include all elements that are part ...

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Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

7年以上前