Answered

Relation of Elements of matrix

B = 3; [r, ~] = ind2sub( size(A), find(A==B) ); z = A(sort(r),:); zu = unique(z(:))'

Relation of Elements of matrix

B = 3; [r, ~] = ind2sub( size(A), find(A==B) ); z = A(sort(r),:); zu = unique(z(:))'

1 year ago | 0

Answered

Matrix dimensions must agree.

As Jon pointed out, you can subtract two matrices if they are "the same size (same number of rows and columns)" It is also poss...

Matrix dimensions must agree.

As Jon pointed out, you can subtract two matrices if they are "the same size (same number of rows and columns)" It is also poss...

1 year ago | 0

Answered

how do u make a new value that is the sum of two columns

A = [1 2 ;3 4; 5 6 ;7 8; 9 10; 11 12; 13 14; 15 16] A = 1 2 3 4 5 6 7 8 9 10 ...

how do u make a new value that is the sum of two columns

A = [1 2 ;3 4; 5 6 ;7 8; 9 10; 11 12; 13 14; 15 16] A = 1 2 3 4 5 6 7 8 9 10 ...

1 year ago | 0

Solved

Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

1 year 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....

1 year 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...

1 year 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,...

1 year 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...

1 year 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 = ...

1 year 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]; ...

1 year 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]

1 year 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. <<https://i.imgu...

1 year 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...

1 year 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.

1 year 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...

1 year 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...

1 year 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...

1 year ago

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Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

1 year 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...

1 year ago

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Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

1 year ago

Answered

Making an array using loop

Change ORIGINAL_POST to false to get slightly different result. clearvars; clc; % remove previous debug runs lenA = 60; % as...

Making an array using loop

Change ORIGINAL_POST to false to get slightly different result. clearvars; clc; % remove previous debug runs lenA = 60; % as...

1 year ago | 0

Answered

Reading the matrix elements row wise

If you do not want to take the transpose of the A matrix, you can work with the subscripts instead. A = [1 2 3; 4 5 6]; sz = s...

Reading the matrix elements row wise

If you do not want to take the transpose of the A matrix, you can work with the subscripts instead. A = [1 2 3; 4 5 6]; sz = s...

1 year ago | 1

| accepted

Answered

Getting two outputs when using function with implemented if statement

In your acuteAngle function, there is a disp() line which gives you the first output. The calling routine disp(acuteAngle() give...

Getting two outputs when using function with implemented if statement

In your acuteAngle function, there is a disp() line which gives you the first output. The calling routine disp(acuteAngle() give...

1 year ago | 1

| accepted

Answered

how to mute the signal at a certain time

This will remove all the leading zeros of a Sig vector: Sig = Sig(find(Sig,1,'first'):end);

how to mute the signal at a certain time

This will remove all the leading zeros of a Sig vector: Sig = Sig(find(Sig,1,'first'):end);

1 year ago | 1

Answered

Reading the matrix elements row wise

A = [1 2 3; 4 5 6]; Atr = transpose(A); Atr(1:6) ans = 1 2 3 4 5 6

Reading the matrix elements row wise

A = [1 2 3; 4 5 6]; Atr = transpose(A); Atr(1:6) ans = 1 2 3 4 5 6

1 year ago | 1

Answered

Plotting and finding the intersection of 2 curves

If you have two vectors, x1, y1 that form the curve (x1, y1), and likewise, another curve (x2, y2), then you can get the interse...

Plotting and finding the intersection of 2 curves

If you have two vectors, x1, y1 that form the curve (x1, y1), and likewise, another curve (x2, y2), then you can get the interse...

2 years ago | 0

Answered

Is it possible to have two indices in a for loop?

>> Is it possible to have 2 indices in the same for loop? (i and k). In your i- and k-loops, you are considering every combinat...

Is it possible to have two indices in a for loop?

>> Is it possible to have 2 indices in the same for loop? (i and k). In your i- and k-loops, you are considering every combinat...

2 years ago | 0

Answered

Is it possible to have two indices in a for loop?

Jan's solution appears to not provide all combinations of (i,k) for the 2D array, AEMGstructHR. So I do not see how that constru...

Is it possible to have two indices in a for loop?

Jan's solution appears to not provide all combinations of (i,k) for the 2D array, AEMGstructHR. So I do not see how that constru...

2 years ago | 0