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waqas


Last seen: 25 days ago
55 total contributions since 2018

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Question


Removing values from surf?
I am plotting surf plot from the data (.mat file attached), but, there is data where Z values are zero which is ruining the plot...

3 months ago | 1 answer | 0

1

answer

Solved


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...

3 months ago

Solved


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....

3 months ago

Answered
How to find what percentage of image an object covers
im = im2bw(imread('image.jpeg')); imshow(bw) whitearea = bwarea(bw); blackarea = bwarea(~bw); conversion to black and white...

3 months ago | 0

Solved


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,...

3 months ago

Solved


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...

3 months ago

Solved


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 = ...

3 months ago

Solved


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]; ...

3 months ago

Solved


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]

3 months 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...

3 months ago

Solved


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...

3 months ago

Solved


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...

3 months ago

Solved


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...

3 months ago

Solved


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...

3 months ago

Solved


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...

3 months ago

Solved


Return area of square
Side of square=input=a Area=output=b

3 months ago

Solved


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 ...

3 months ago

Solved


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.

3 months ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

3 months ago

Answered
How to record/run the result 100 times?
May be knowing what OMEGA is would help us understanding what the code is doing. From current code, you can implement a second...

3 months ago | 0

| accepted

Question


Finding crack path using image processing
I have previously asked a question of this forum (link to it) where I want to find the path of a crack using image processing. H...

3 months ago | 1 answer | 0

1

answer

Question


Interpolating data to find the values at NaN locations in the region.
I have a field which, when I plot, results in NaN values in between the known values. I want to interpolate the values on these ...

6 months ago | 1 answer | 0

1

answer

Question


Finding the particular path using image processing
Hi, I need to find the path from the attached displacement field attached as .MAT file. My code was working on other data set...

9 months ago | 1 answer | 0

1

answer

Question


Indexing in fields of a struct
Hi, in the attached .MAT file, I have a struct partitionsInfo in which I want to read partitionsInfo.frames using indexing to ...

9 months ago | 1 answer | 0

1

answer

Question


Shifting XY- coordinate system (normally known as left-hand coordinate system) from top left to conventional (right handed) coordinate system?
Hi, I want to transform my matrix origin from top left corner (showed in Red color in the plot) to bottom left corner (showed ...

9 months ago | 1 answer | 0

1

answer

Answered
Extract vector from math file
You can define the variable which you want to extract: load('ABCdepobv.mat','B'); More details on saving and loading .MAT fil...

10 months ago | 0

Answered
How can I export this as a vector image?
Use export_fig function. Check the link here. I would suggest the add set(gcf,'color','w') before using export_fig functio...

10 months ago | 0

Answered
Issues Creating Multiple Figures in Same Script
Wouldn't the following make more sense? position_1 = a1_sol.a0 + 0*t + a1_sol.a2*t^2 + a1_sol.a3*t^3 position_2 = a2_sol.a0 + ...

10 months ago | 0

| accepted

Solved


Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

10 months ago

Solved


Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

10 months ago

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