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waqas


Last seen: 6 dagar ago |  Active since 2018

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

mer än 2 år ago

Question


How to make a rectangular shape with inner boundary having the value of 1 and outer boundary a value of 0?
Hi, I am trying to make a rectangular shape with inner boundary value set as one and outer boundary value set as zero. Ideally...

nästan 3 år ago | 1 answer | 0

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answer

Question


How to generate Q4 element mesh in selected area?
Hi, I have a region ( variable 'nmask' in the .MAT file) on which I want to generate a Q4 mesh. In my current implementation, ...

ungefär 3 år ago | 1 answer | 0

1

answer

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...

nästan 4 år 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...

nästan 4 år 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....

nästan 4 år 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...

nästan 4 år 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,...

nästan 4 år 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...

nästan 4 år 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 = ...

nästan 4 år 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]; ...

nästan 4 år 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]

nästan 4 år 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...

nästan 4 år 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...

nästan 4 år 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...

nästan 4 år 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...

nästan 4 år 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...

nästan 4 år 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...

nästan 4 år ago

Solved


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

nästan 4 år 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 ...

nästan 4 år 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.

nästan 4 år ago

Solved


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

nästan 4 år 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...

nästan 4 år 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...

nästan 4 år 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 ...

ungefär 4 år 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...

mer än 4 år 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 ...

mer än 4 år 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 ...

mer än 4 år 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...

mer än 4 år 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...

mer än 4 år ago | 0

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