# Max Heiken

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**Content Feed**

Ranking values - sorting into descending order

If you do not expect there to be duplicates, I too recommend to use sort instead. [~, rnkR1List] = sort(X, 2, 'descend'); If y...

5 days ago | 0

| accepted

Seeking an efficient method for using 'scatter3' to create a 3D scatter plot of fixed receiver positions.

I think you are looking for meshgrid. [y, x, z] = meshgrid(1:3, 1:3, 1:3); scatter3(x(:), y(:), z(:), [], amplitude(:), 'o', '...

16 days ago | 1

| accepted

Getting around overuse of "if" statements.

I agree with Srinik Ramayapally, employing switch is the most obvious change that comes to mind. To extend on that solution, you...

16 days ago | 0

Plot of 3D colour scatter graph

Since the erosion is specified per vertex, I think scatter3 is to be preferred over surf or mesh. I would start with something ...

25 days ago | 0

Why are pagemtimes, cross and pagetranspose functions slower on GPU?

Take everything I write with a grain of salt, since I have never used GPU features myself in the past and this is just from expe...

2 months ago | 0

Solved

Identify Ruth-Aaron numbers

After Hank Aaron hit his 715th home run and passed Babe Ruth’s total of 714, Carl Pomerance noticed that the union of the prime ...

2 months ago

Solved

Find out sum and carry of Binary adder

Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

2 months ago

Solved

Convert given decimal number to binary number.

Convert given decimal number to binary number. Example x=10, then answer must be 1010.

2 months ago

Solved

Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

2 months ago

Solved

Kaprekar Steps

6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

2 months ago

Solved

Read a column of numbers and interpolate missing data

Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

2 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...

2 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 ...

2 months ago

How to link/connect pixel value with Image

I am not exactly sure if I get the context. If your image is in an axes, and if you want to click in that figure to programmati...

2 months ago | 1

How to add more values to an existing structure?

A.existingField = [A.existingField; newValues];

2 months ago | 1

| accepted

How to remove null matrices from a multidemensional array?

You could identify the all zero pages and remove them like this: Matrix(:, :, ~any(Matrix, [1, 2])) = [];

2 months ago | 0

| accepted

Error: Expected input to be a vector

It seems to me Cy and Cx must be column vectors, that is how I could reproduce the error. The function can only handle scalars f...

2 months ago | 0

| accepted

What is the most suitable way to plot how changes in two variables affect another variable?

Perhaps the surf plot does what you want?

2 months ago | 0

Print word with different name depending on the step of the cycle?

It seems you are coming from Python or similar. The print function is not used to output text, instead use disp, fprintf, or sp...

2 months ago | 0

| accepted

I'm plotting a solution to a PDE using surf but the graph turns out wrong?

The part with the sin is missing in your code. for n=1:10 u = u+(4/(n^3*pi^3)+(4/(n*pi)-4/(n^3*pi^3))*exp(-n^2*pi^2*t)).*si...

2 months ago | 0

How to define the geographic axes for multiple geoscatter data

Hello, what an interesting issue. One solution would be to wrap one of the longitudes around using modulo: long = mod(SuperMAG...

2 months ago | 0

| accepted

Adding elements in column vectors

Hello, you can concatenate vectors and matrices vertically with a semicolon like this c = [a; b]; or concatenate them horizon...

2 months ago | 0

| accepted

How to get all data from m-function?

Hello! The value A is the only one that gets output because that is what you specified in your function declaration. You could i...

2 months ago | 1

| accepted