Answered

Explanation of num2str(x) - '0'

num2str(x) - this converts the number to a string Once converted subtracting '0' subtracts the character code for 0 from all ...

Explanation of num2str(x) - '0'

num2str(x) - this converts the number to a string Once converted subtracting '0' subtracts the character code for 0 from all ...

2 years ago | 1

Answered

How do I display list of folder (as text file)

files=dir sprintf('%s \n',files.name) fName=input('choose file:','s')

How do I display list of folder (as text file)

files=dir sprintf('%s \n',files.name) fName=input('choose file:','s')

2 years ago | 1

| accepted

Answered

How to delete columns if there is'nt enough data?

prunedData = rmmissing(dataMatrix,2,'MinNumMissing',13)

How to delete columns if there is'nt enough data?

prunedData = rmmissing(dataMatrix,2,'MinNumMissing',13)

2 years ago | 0

Answered

How to add a small random number to all values in a matrix

testMatrix=[1 2 3;4 5 6;7 8 9] noise=(rand(size(testMatrix,1),size(testMatrix,2))-0.5)./5 testMatrix=testMatrix-nois...

How to add a small random number to all values in a matrix

testMatrix=[1 2 3;4 5 6;7 8 9] noise=(rand(size(testMatrix,1),size(testMatrix,2))-0.5)./5 testMatrix=testMatrix-nois...

2 years ago | 1

| accepted

Solved

Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

2 years 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...

2 years 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 = ...

2 years ago

Solved

Too mean-spirited

Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

2 years ago

Solved

Bottles of beer

Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

2 years ago

Solved

How to find the position of an element in a vector without using the find function

Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

2 years ago

Answered

Legend title only without marker and lines of data

Looks like the text position is consistently in the upper right (irrespective of range scale values) to me, but if you say you'v...

Legend title only without marker and lines of data

Looks like the text position is consistently in the upper right (irrespective of range scale values) to me, but if you say you'v...

2 years ago | 0

| accepted

Answered

How do i make different matrices run through the same code?

If your 2D matrices are of the same dimension they can be combined into a single 3D matrix: D(:,:,1)=matrixA D(:,:,2)=ma...

How do i make different matrices run through the same code?

If your 2D matrices are of the same dimension they can be combined into a single 3D matrix: D(:,:,1)=matrixA D(:,:,2)=ma...

2 years ago | 0

| accepted

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 years ago

Solved

Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

2 years ago

Answered

Finding how mych values contain a specific number in a matrix

Whilst I can admire the brevity of Walter's code, I might be inclined to use a more 'conventional' alternative A=rand(100...

Finding how mych values contain a specific number in a matrix

Whilst I can admire the brevity of Walter's code, I might be inclined to use a more 'conventional' alternative A=rand(100...

2 years ago | 0

Solved

Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

2 years ago

Answered

How would i store data into a vector

numElements=10; %Create 1x10 row vector filled with zeros rowVector=zeros(1,numElements) %Create 1x10 column vect...

How would i store data into a vector

numElements=10; %Create 1x10 row vector filled with zeros rowVector=zeros(1,numElements) %Create 1x10 column vect...

2 years ago | 0

| accepted

Answered

Can I change the loop size inside the loop?

For loop conditions are set upon entering the loop and the only form of modification that can be made is to 'break' out of the l...

Can I change the loop size inside the loop?

For loop conditions are set upon entering the loop and the only form of modification that can be made is to 'break' out of the l...

2 years ago | 0

Answered

How can I write log(e) in MATLAB?

I assume you mean log10? In Matlab log is base e, so log(e)=1 x=log10(exp(1))

How can I write log(e) in MATLAB?

I assume you mean log10? In Matlab log is base e, so log(e)=1 x=log10(exp(1))

2 years ago | 1

| accepted

Answered

"Function definitions are not permitted in this context."

If you have a function in a script (allowed from R2016 onwards I think), it must go at the end, after all the script code

"Function definitions are not permitted in this context."

If you have a function in a script (allowed from R2016 onwards I think), it must go at the end, after all the script code

2 years ago | 0

Answered

Matrix indexing - Picking columns

Do you mean this instead of your 1:5:end? 5:5:end If you explicitly also want column 1 the you could use [1 5:5:end]

Matrix indexing - Picking columns

Do you mean this instead of your 1:5:end? 5:5:end If you explicitly also want column 1 the you could use [1 5:5:end]

2 years ago | 1

| accepted

Answered

How to run the code?

From the overview given by your link, the main function is: function [digest, MSG_PADDED] = image_hash(V_LEN,H_LEN,METH,IMG...

How to run the code?

From the overview given by your link, the main function is: function [digest, MSG_PADDED] = image_hash(V_LEN,H_LEN,METH,IMG...

2 years ago | 0

| accepted

Answered

Function that pulls a name from a list at random but doesn't repeat

listNames={'a','b','c','d','e','f','g','n','h'} for iter=1:9 name=pick_name(listNames) end functio...

Function that pulls a name from a list at random but doesn't repeat

listNames={'a','b','c','d','e','f','g','n','h'} for iter=1:9 name=pick_name(listNames) end functio...

2 years ago | 0

| accepted

Answered

How to find a location of a specific value inside a matrices that is 26x7x101 of length

[~,loc]=ismember(matrixName,value) [i,j,k]=ind2sub([26,7,101],find(loc,1)) The above will find the first specified...

How to find a location of a specific value inside a matrices that is 26x7x101 of length

[~,loc]=ismember(matrixName,value) [i,j,k]=ind2sub([26,7,101],find(loc,1)) The above will find the first specified...

2 years ago | 1

| accepted

Answered

How do I print the common elements in a row vector?

use the logical vector to index the common values common=A(ismember(A,B)) if you have multiple values in A that are the ...

How do I print the common elements in a row vector?

use the logical vector to index the common values common=A(ismember(A,B)) if you have multiple values in A that are the ...

2 years ago | 0

Answered

Check values under a certain threshold with an undefined window

A=[9 10 47 50 49 48 2 46]; mymax=max(A); % in this case mymax=50 mincondition=mymax*0.9; % mincondition=45 indexe...

Check values under a certain threshold with an undefined window

A=[9 10 47 50 49 48 2 46]; mymax=max(A); % in this case mymax=50 mincondition=mymax*0.9; % mincondition=45 indexe...

2 years ago | 0

| accepted

Answered

How to process a subset of a matrix

matrixName(2,:)=matrixName(2,:)/2

How to process a subset of a matrix

matrixName(2,:)=matrixName(2,:)/2

2 years ago | 0

| accepted

Answered

Re-generate random matrix

ind=randperm(81) B=reshape(A(ind),9,9)

Re-generate random matrix

ind=randperm(81) B=reshape(A(ind),9,9)

2 years ago | 3

| accepted

Answered

Replacing values in a table

tab = 10×2 table C1 C2 __ ___________ 1 -32768 2 ...

Replacing values in a table

tab = 10×2 table C1 C2 __ ___________ 1 -32768 2 ...

2 years ago | 1