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**Content Feed**

Solved

Script file size

Determine the file size of a script, "function.m". This is the base scoring method for Cody and the Matlab Contests. A method ...

2 days ago

Solved

Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

3 days ago

Solved

Generate Hadamard Matrix

In mathematics, a Hadamard matrix, named after the French mathematician Jacques Hadamard, is a square matrix whose entries are e...

3 days ago

Taking one dimension of a matrix

in = rand(972,48,128); out = in(1,:,:); size(out)

4 days ago | 0

| accepted

Attempt to grow array along ambiguous dimension. it happens when N,M are smaller then the total of A,B. can I make my code work for any value of N,M? if so how would I do that

The number of elements in C is greater than the total number of elements pre-allocated in res. You can not put 22 elements in 2...

5 days ago | 0

| accepted

What is the function of this button? Where is the corresponding official document link？

The function of the button is to generate Fixed-point data via a dialog box. I don't know if there is a documentation specifica...

5 days ago | 0

Error using * Dimension do not match

As you can see here, Jac is 2x2, thus inv(Jac) will also be 2x2 and f is 1x2. The multiplication of 2x2 with 1x2 is not possible...

5 days ago | 0

| accepted

Homogenuous differential equation with conditions

j=22; y=[-8.2,0.6]; As you can see below, you are using non integer values as an index, which is not possible. i = -8.2:j+0.6...

6 days ago | 0

How do I plot the different elements of a matrix in a single plot?

for t = 0:1:100 omega1 = 0.02*cos(0.15*t) + 0.03*sin(0.15*t); omega2 = 0.03*cos(0.15*t) - 0.02*sin(.15*t); omega3...

6 days ago | 0

Generate array of sequence pairs without iteration

A combination of repelem and repmat - M=13;N=8; %corresponding arrays m=1:M;n=1:N; out1=[repelem(m',N,1) repmat(n',M,1)] ou...

8 days ago | 0

| accepted

How to store values in matrix form for differn iteration

Use reshape() %in case of row array x=1:3500; y=reshape(x,7,500)' %in case of column array a=(1:3500)'; b=reshape(a,7,500)...

8 days ago | 0

| accepted

Convert Equastion to Matlab Code

Transfer Function Model Example for reference

9 days ago | 1

How do i plot many short horizontal lines when a value is available?

%random data A=randi(100,1,10) B=randi(100,1,12) %You can not use max, because A has less elements than B elements N=min([nu...

9 days ago | 0

Convert numeric 2D array to array of orders of values

I couldn't think of a vectorized solution (yet), so here is the for loop approach. If and when I find a vectorized solution, I ...

10 days ago | 0

| accepted

Solved

feeling VERY lucky?

Just like Matthew's problem 2793 and Edward's problem 2872 (guess the number that Cody is thinking) but now you must solve it in...

11 days ago

Variable passed through function doesn't work

How are you calling the function? Also, Use strcmp or isequal to compare strings behavior = 'drug' isequal(behavior,'drug') ...

11 days ago | 0

| accepted

can someone check the code i have problem

You can do that without defining C (If I understand what you want to do correctly) B = [4;6;4;6;6;4]; m = 6; n = 30; L = 200...

11 days ago | 0

| accepted

How to write this thetta fuction in Matlab? I have an example code in Python

@Beket, your code needs some changes 94th and 95th line of your code, you used b in c_rinf before defining it. c_rinf = @(r) Q...

11 days ago | 1

Writing IF STATEMENT that omits empty fields in different arrays of a structure

You need to use () with isempty, otherwise it would assume the input to be a string array y = []; isempty(y) isempty y %even...

12 days ago | 0

Arranging a vector to new index position

You mean like this n=15; E = randi(50,1,n) idx = randperm(n) Eprime = E(idx)

12 days ago | 2

| accepted

How can I rearrange this matrix into new one?

Assuming data is homogenous (In pairs throught-out), and end value is greater than or equal to first value. data=[50 67.5; ...

12 days ago | 1

| accepted

Why my function is not vectorized

dv = [1 5 10 20 50]; vc = sqrt(0.8*200*2*365*24*3600)/1000; figure for i = 1:5 dvc = dv(i); %vectorizing the functi...

12 days ago | 1

| accepted

How to create a matrix of ones and zeros with location of ones based on array that also contains zeros?

You get the error because the code includes 0 as an index. V = [3 1 1 5 0 4]; idx = V~=0; m = max(V); n = numel(V); R =...

13 days ago | 0

| accepted

Solved

Counting Permutations

In the permutations of the numbers 1 to n, count the number of permutations in which exactly m elements are greater than the pre...

13 days ago

How to change entries in matrix based on another matrix?

A=[0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0...

13 days ago | 0

| accepted

Why does an array have a different column dimension than the array used to define that array?

You have defined B directly from a logical condition. When you do so, MATLAB checks for logical true values and defines accordin...

14 days ago | 0

| accepted

Solved

Play PRIMEGAME

Have you ever used the Sieve of Eratosthenes and said, "I wonder whether there’s a less efficient way to find prime numbers."? N...

14 days ago

Solved

Evaluating continued fractions

Given row vector c=[c0 c1 c2 c3 ...] evaluate the continued fraction x=c0+1/(c1+1/(c2+1/(c3+...))) If c is a ...

14 days ago

Problem

Counting Permutations

In the permutations of the numbers 1 to n, count the number of permutations in which exactly m elements are greater than the pre...

15 days ago | 1 | 6 solvers

Solved

Determine flows of given probability using empirical frequency analysis

Write a function that takes as input observations of peak streamflow and exceedance probabilities expressed as percentages an...

15 days ago