Answered
I'm having trouble putting two functions in one graph
Not hard to combine, but time scales for both should be the same and y-scale is not similar causing problems. Would be better in...

5 years ago | 0

| accepted

Answered
inserting matrix into matlab
a=diag(ones(1,50))+diag(2*ones(1,49),1);

5 years ago | 0

| accepted

Answered
Randomly pick value in matrix and generate the function
[r,l]=meshgrid(157:173,147:180); v=pi*r.^3+pi*r.^2.*l;%all possibilities k=randi(numel(r)); A=[r(k),l(k),V(k)];%random elemen...

5 years ago | 0

Answered
Plotting equations using fzero
fzero is not for plotting. It finds the zero crossing at an initial guess. This will get you started. Look at legend() and title...

5 years ago | 0

| accepted

Answered
Defining a simple function with text/string 'on'
function darkmode(a) gca; if a ans.GridColor = [1, 1, 1]; set(ans,'color','k'); else ans.GridColor = [.15,.15,...

5 years ago | 0

| accepted

Answered
Average of 2 columns within a 3 column matrix
for k=1:60 x(k)=mean(X(:,:,k),'all','omitnan'); end

5 years ago | 0

Solved

Solve an ODE: equation B

5 years ago

Solved

Redefine the Array if the Elements in the Array are Repeating

5 years ago

Solved

Write a function to generate AND operation

5 years ago

Solved

Make the first letter of a sentence Capital.

5 years ago

Solved

Make a Number From the First and Last Digit of an Input Number

5 years ago

Answered
Bessel function. Determining the roots.
Looks like file exchange has a good zero finder for Bessel functions. https://www.mathworks.com/matlabcentral/fileexchange/4840...

5 years ago | 0

| accepted

Answered
I want to calculate each v value from each diameter value, then the value of Re one by one, and for all the calculations in the for loop,but this code give me single value for v, Re, f . Where am I doing wrong? Sorry I'm beginner in mtlab.
No loop needed. L=(2000+(5*50)); T=5+5*0.25; It=0.0075*L; ht=0.15*T; bt=0.50*It; e=0.0003*(5+50); t=15000/sqrt(9.81/ht); ...

5 years ago | 0

| accepted

Solved

Solve an ODE: equation A

5 years ago

Answered
Why is histcount ignoring one of the edge values in my matrix?
a=readmatrix('GPeak_Histogram_Data.txt'); Aedges = unique(a(:,2)); Acounts = histc(a(:,2), Aedges);%use histc or a=readmatr...

5 years ago | 0

| accepted

Solved

Find all the indices when a value repetition occurs

5 years ago

Solved

List Proth primes

5 years ago

Solved

Flip coins

5 years ago

Answered
pad matrix to a particular size
assuming m and n are both even. M_resized=padarray(M,[(150-size(M,1))/2 (150-size(M,2))/2],0,'both');

5 years ago | 1

Answered
How to evaluate a function that has been saved to a variable
syms x; f = 2*tanh(x/2); d1 = diff(f); d2 = diff(f,2); d3 = diff(f,3); fplot(f,[-1,1]); hold on; fplot(d1,[-1,1]); fplot...

5 years ago | 1

Answered
How to reconstruct a matrix?
z=diag([y;0]); z(end,:)=x(1:length(z)); z(:,end)=x(1:length(z));

5 years ago | 1

Answered
Generating matrix as follows
Graph has to be a polygon. numNodes=6; a=randperm(numNodes); b=circshift(a,1); g=graph(a,b); plot(g); m=full(adjacency(g))...

5 years ago | 0

| accepted

Solved

Convert any case sentence to Title Case

5 years ago

Solved

Iterate the sum of divisors and totient

5 years ago

Answered
New to matlab. Trying to make a script to reorganize excel data
a=readcell('yourcellname'); b=unique(a(:,2)); newCell=b'; for k=1:length(b) newCell(2,k)={a(ismember(a(:,2),b{k}),1)}; en...

5 years ago | 0

Answered
Relative Ranking of position in an array
If a is your matrix above. sum(find(a==1)-find(a==2)<0);

5 years ago | 0

| accepted

Solved

Determine if input is even

5 years ago

Solved

Add 100

5 years ago

Answered
Need helping in setting a for loop for the below code
u=unique(condIds,'stable');%not sure if you only want to go through the unique entries; otherwise, you will have duplicates for...

5 years ago | 0

Answered
Rerun script with different table input
You should always attempt to index. Put all your tables into a single cell array. t{1}=table1; t{2}=table2; %then index into ...

5 years ago | 0

| accepted