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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,...

10 months 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...

10 months 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 = ...

10 months 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]; ...

10 months 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]

10 months ago

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Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

10 months ago

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Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

10 months ago

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Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

10 months ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

10 months ago

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Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

10 months ago

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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.

10 months ago

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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.

10 months 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 ...

10 months 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 ...

10 months ago

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Whether the input is vector?

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

10 months 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.

10 months ago

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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...

10 months ago

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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 ...

10 months ago

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Find corresponding values for unique values in a matrix

m= accumarray(A(:),B(:)); d=find(m); C=[d m(d)]

Find corresponding values for unique values in a matrix

m= accumarray(A(:),B(:)); d=find(m); C=[d m(d)]

10 months ago | 1

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Answered

dataset - add a new row and fill in data in a loop

"The dataset data type is not recommended. To work with heterogeneous data, use the MATLABĀ® table data type instead" data=readt...

dataset - add a new row and fill in data in a loop

"The dataset data type is not recommended. To work with heterogeneous data, use the MATLABĀ® table data type instead" data=readt...

10 months ago | 1

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Answered

Error using tabular/addvars (line 174) Variables must have the same number of rows as the table they are being added to.

for i = 1:numel(B) B{i}.Properties.VariableNames = upper(B{i}.Properties.VariableNames);%change all variable names end ne...

Error using tabular/addvars (line 174) Variables must have the same number of rows as the table they are being added to.

for i = 1:numel(B) B{i}.Properties.VariableNames = upper(B{i}.Properties.VariableNames);%change all variable names end ne...

10 months ago | 1

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Answered

How do I set up a function to split up a randomly generated vector into an "if,else" statements to resize it in equal portions of 1, 2, or 3 rows

clc array = [1 2 3 4 5 6 7 8 9 10 11 12];%1:12 do the same s=1:numel(array); fac = s(rem(numel(array),s)==0); allpos=arrayfu...

How do I set up a function to split up a randomly generated vector into an "if,else" statements to resize it in equal portions of 1, 2, or 3 rows

clc array = [1 2 3 4 5 6 7 8 9 10 11 12];%1:12 do the same s=1:numel(array); fac = s(rem(numel(array),s)==0); allpos=arrayfu...

10 months ago | 1

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Answered

How does a matrix sort based on another matrix?

Solution: C=zeros(size(B)); C(sub2ind(size(B),repmat((1:size(B,1))',1,size(B,2)),A))=B

How does a matrix sort based on another matrix?

Solution: C=zeros(size(B)); C(sub2ind(size(B),repmat((1:size(B,1))',1,size(B,2)),A))=B

10 months ago | 1

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Answered

Converting all arrays inside a cell to tables

newC is 40x32, each cell is a table 336x1 : newC = cellfun(@(x) table(x(:)), C, 'uniformoutput', false)

Converting all arrays inside a cell to tables

newC is 40x32, each cell is a table 336x1 : newC = cellfun(@(x) table(x(:)), C, 'uniformoutput', false)

10 months ago | 0

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Answered

How to replace a range of pixel values with another range of pixel values within my image?

yourimage(34,70:80,:)=yourimage(34,60:70,:)

How to replace a range of pixel values with another range of pixel values within my image?

yourimage(34,70:80,:)=yourimage(34,60:70,:)

10 months ago | 0

| accepted