2.526 total contributions since 2018

Communication through MATLAB is always better than arguing.

Answered

sym/double error(line 665)

P.S: There is a warning at the end but yields a result without error G = matlabFunction(sqrt(1 + g_x + g_y)); % read about matl...

sym/double error(line 665)

P.S: There is a warning at the end but yields a result without error G = matlabFunction(sqrt(1 + g_x + g_y)); % read about matl...

ongeveer 3 uur ago | 0

Answered

indexing an entire for loop

x = -3:0.1:3; y = -1:0.1:1; ii = length(x); jj = length(y); T = zeros(ii,jj); for k = 1:ii for l = 1:jj T(k,l...

indexing an entire for loop

x = -3:0.1:3; y = -1:0.1:1; ii = length(x); jj = length(y); T = zeros(ii,jj); for k = 1:ii for l = 1:jj T(k,l...

ongeveer 8 uur ago | 0

| accepted

Answered

What is wrong with this code?

Remove the single quotes from the last line, upload the code instead of a picture. a/rw^2 == (cos(x)+(n^2*cos(2*x)+sin(x)^4))/(...

What is wrong with this code?

Remove the single quotes from the last line, upload the code instead of a picture. a/rw^2 == (cos(x)+(n^2*cos(2*x)+sin(x)^4))/(...

ongeveer 9 uur ago | 0

Answered

Distance between all elements of row vector

Straightforward: row.'-row

Distance between all elements of row vector

Straightforward: row.'-row

ongeveer 10 uur ago | 0

Answered

Calculating mean over multiple dimensions

mean(data,'all') % or mean(data,[3 2 1])

Calculating mean over multiple dimensions

mean(data,'all') % or mean(data,[3 2 1])

1 dag ago | 0

Answered

Plot multiple data in one plot using for loop

If you look the data in each cell closely infact they are all the same so all the plots overlap each other: plot(x,[y{:}]) % yo...

Plot multiple data in one plot using for loop

If you look the data in each cell closely infact they are all the same so all the plots overlap each other: plot(x,[y{:}]) % yo...

1 dag ago | 0

| accepted

Answered

write statement without using for loop

gi=Alpha.*(bi==0)+Beta.*(bi==1)

write statement without using for loop

gi=Alpha.*(bi==0)+Beta.*(bi==1)

1 dag ago | 1

| accepted

Answered

Need to know how to make a row vector of zeros and another number in a single command without explicitly entering the values

R=zeros(1,6); R([3 6])=6

Need to know how to make a row vector of zeros and another number in a single command without explicitly entering the values

R=zeros(1,6); R([3 6])=6

1 dag ago | 0

Answered

For loop averaging increments

Since it’s homework take mean along the first dimension: doc mean

For loop averaging increments

Since it’s homework take mean along the first dimension: doc mean

1 dag ago | 0

Answered

How can I subs 2 symbolic vectors in 1 comand?

Edit: Corrected the mistake. A workaround: Z=matlabFunction([X,Y]); % change this line XY=num2cell([X0,Y0]); Z(XY{:}) % eval...

How can I subs 2 symbolic vectors in 1 comand?

Edit: Corrected the mistake. A workaround: Z=matlabFunction([X,Y]); % change this line XY=num2cell([X0,Y0]); Z(XY{:}) % eval...

2 dagen ago | 0

Answered

How can I type inverse sign in axis labels? like 1/CL

xlabel('$\frac{1}{CL}$','Interpreter','latex')

How can I type inverse sign in axis labels? like 1/CL

xlabel('$\frac{1}{CL}$','Interpreter','latex')

2 dagen ago | 0

Answered

How can I get outcome at a particular value after performing differentiation?

Another option: dx(x)=diff(f); dx(3)

How can I get outcome at a particular value after performing differentiation?

Another option: dx(x)=diff(f); dx(3)

2 dagen ago | 0

Answered

How to Show 1/4 in 1/2^2?

I can only think of printing it using fprintf(): fprintf('1/%d^2 ',x)

How to Show 1/4 in 1/2^2?

I can only think of printing it using fprintf(): fprintf('1/%d^2 ',x)

3 dagen ago | 1

Answered

Find the row number of element that meets the condition

index=find(A>500,1,'first') B(index)

Find the row number of element that meets the condition

index=find(A>500,1,'first') B(index)

3 dagen ago | 1

| accepted

Answered

read csv file in sequence and post process data

Use cell arrays instead of numbering variables ( https://www.mathworks.com/matlabcentral/answers/105936-how-to-make-dynamic-vari...

read csv file in sequence and post process data

Use cell arrays instead of numbering variables ( https://www.mathworks.com/matlabcentral/answers/105936-how-to-make-dynamic-vari...

3 dagen ago | 1

| accepted

Answered

How to find rearrange these values in a new row and column?

newmatrix = matrix([2 4 5 8],:)

How to find rearrange these values in a new row and column?

newmatrix = matrix([2 4 5 8],:)

4 dagen ago | 0

Answered

Why does my index exceed array bounds for the following for loop?

You don’t need a loop mewp* % ^-—-—-missed it

Why does my index exceed array bounds for the following for loop?

You don’t need a loop mewp* % ^-—-—-missed it

4 dagen ago | 0

Answered

divide data according to year, month, day

https://www.mathworks.com/help/matlab/ref/datetime.ymd.html

divide data according to year, month, day

https://www.mathworks.com/help/matlab/ref/datetime.ymd.html

4 dagen ago | 0

Answered

How to read only 1 value in row 2, column 1 ?

M = dlmread('csvlist.dat',',',[0,1,0,1])

How to read only 1 value in row 2, column 1 ?

M = dlmread('csvlist.dat',',',[0,1,0,1])

4 dagen ago | 0

Answered

How to find first non repeated (unique) character in a string?

u=unique(s,'stable'); % where s is your input Z=arrayfun(@(x)nnz(s==u(x)),1:numel(u)); Result=u(find(Z==1,1,'first'))

How to find first non repeated (unique) character in a string?

u=unique(s,'stable'); % where s is your input Z=arrayfun(@(x)nnz(s==u(x)),1:numel(u)); Result=u(find(Z==1,1,'first'))

4 dagen ago | 1

| accepted

Answered

Merge two matrices taking non-Null values

C=zeros(size(A)); C(:,~all(isnan(A)))=A(:,~all(isnan(A))); C(:,~all(isnan(B)))=B(:,~all(isnan(B)));

Merge two matrices taking non-Null values

C=zeros(size(A)); C(:,~all(isnan(A)))=A(:,~all(isnan(A))); C(:,~all(isnan(B)))=B(:,~all(isnan(B)));

4 dagen ago | 0

| accepted

Answered

How to remove numbers between specific symbols in text array?

a="Gas_1_O2"; regexprep(a,'\_\d*.?\d*\_','_')

How to remove numbers between specific symbols in text array?

a="Gas_1_O2"; regexprep(a,'\_\d*.?\d*\_','_')

4 dagen ago | 0

| accepted

Answered

Problem in running my code

Don't name variable max because there is an inbuilt function named max(), preallocate Rhn for speed and efficiency: TN=4; n_ve...

Problem in running my code

Don't name variable max because there is an inbuilt function named max(), preallocate Rhn for speed and efficiency: TN=4; n_ve...

4 dagen ago | 0

Answered

dsolve problem not showing result

syms y(x) eqn = diff(y) == y/x; vars = y(x); V = odeToVectorField(eqn) M = matlabFunction(V,'vars', {'x','Y'}) interval = [...

dsolve problem not showing result

syms y(x) eqn = diff(y) == y/x; vars = y(x); V = odeToVectorField(eqn) M = matlabFunction(V,'vars', {'x','Y'}) interval = [...

4 dagen ago | 1

| accepted

Answered

I am getting an error like function definitions are not permitted in this context in matlab R2014b

P.s - I am not going to look into your code. I am just answering your main question. https://www.mathworks.com/help/matlab/ref/...

I am getting an error like function definitions are not permitted in this context in matlab R2014b

P.s - I am not going to look into your code. I am just answering your main question. https://www.mathworks.com/help/matlab/ref/...

4 dagen ago | 0

Answered

Can't get fprintf to display my equations answer

%.2f ^-—-—missed it

Can't get fprintf to display my equations answer

%.2f ^-—-—missed it

5 dagen ago | 0

| accepted

Answered

Problem when importing a TXT file into MATLAB with "readtable". Text and numbers are between single quotes...

T=table2cell(data); T(:,3:end)=cellfun(@str2double,T(:,3:end),'un',0)

Problem when importing a TXT file into MATLAB with "readtable". Text and numbers are between single quotes...

T=table2cell(data); T(:,3:end)=cellfun(@str2double,T(:,3:end),'un',0)

5 dagen ago | 0