Community Profile # Sudharsana Iyengar

### Skill-Lync

Last seen: 3 days ago Active since 2013

#### Statistics

All
• • • • • • • • • • • • #### Content Feed

View by

How to solve for dI/dz differential equation using runge kutta 4th order method?
use ode45 create a function of your diffrential equations and use ODE 45. This is an example, do a similar for yours. funct...

2 years ago | 0

Try this syms A B C D E F eqn1= A - 0.25*E == 6.25; eqn2=B-0.25*F-0.25*D == 4.45; eqn3=C-0.25*E == 6.8; eqn4=D-0.25*B==5....

2 years ago | 0

| accepted

Error: Index exceeds array bounds.
Can you check the Size of W. and see what W(1) contains. mod_MulInverse(i)=Column1(i); %working mod_MulInverse(i)=W(1);% ...

2 years ago | 0

function call and getting array error
U_s_x is a 4x9x9 matrix but U_px is 1x2 matrix. So there is no U_px(3,4) did you check on that. U_s_x(i,j,k)=U_p...

2 years ago | 0

| accepted

Arrays have incompatible sizes for this operation.
Hi in your program you have A which is size 100 and B that is size 400. Thats is why this issue. Change your program to this. ...

2 years ago | 0

how to arrange vector to matrix?
You can try using the functions perms. or if you want cyclic permutations x=[1,2,3,4,5,6]; v=perms(x) X=[1,2,3,4,5,6]; V=[...

2 years ago | 0

2D wave direction Plot with Arrow
You can use the in built quiver function which is in Matlab. For instance when you want to plot the wind direction in a given re...

2 years ago | 0

| accepted

Moving x and y of a picture and transfr color
Do you want to perform a PCA in 3D. You can use hyperpca command in Image Processing tool box. It is not clear to me what you ...

2 years ago | 0

Please explain the following code for me !!!
You have generated code using generate code in the file menu of your figure. So next time when you want to make a figure of th...

2 years ago | 0

| accepted

How to use imageDatastore function to train model on .mat file dataset?
General Tutorial: https://in.mathworks.com/matlabcentral/fileexchange/99779-neural-network-and-knn-algorithm-tutorial-with-matl...

2 years ago | 0

Beginner Question 5x5 Matrix
@Kutay Furkan AKALIN consider accepting answer so that it is closed. @Steven Lord that is an amazing discovery.

2 years ago | 0

2 years ago | 0

| accepted

Interleaved repmat (row duplication)
Try this A=[1,0,0; 0 0 1; 1 1 1;]; k=1; for i =1:3 T(k:k+1,:)=repmat(A(i,:),2,1); k=k+2; end T

2 years ago | 0

How to turn off X axis while keeping the X axis grid lines?
Hi Please try this and see if this is what you wanted. grid on set(gca,'Xticklabel',{})

2 years ago | 1

| accepted

grouping values that as need
An example: x=linspace(1,60,60); k=1; for i =1:6:length(x) B(k,1:6)=x(i:i+5) %; add this semicolon if you dont want this t...

2 years ago | 1

| accepted

How to turn off X axis while keeping the X axis grid lines?
grid on set(gca,'Xtick',[],'Ytick',[])

2 years ago | 0

Draw the graph by calling the script
Ok let me give you a simple script that will do this work for you. function drawscript(x,y) plot(x,y) set(gca,'TickLength',[...

2 years ago | 0

Question

Combine two models in simbiology, where one of them is a species.
I am having 2 species reacting to give me a reaction product. Can I replace one of the species with another model. Let t...

2 years ago | 1 answer | 0

### 1

How do i create a colormap that seperates ranges between exact values?
Try something like this, custom colormap with 5 colors. mymap = [0 0 0 1 0 0 0 1 0 0 0 1 1 1 1]; surf(...

6 years ago | 0

How to plot Poincare map and Bifurcation diagrams of ferrosonance
For bifurcation diagram: Run the system for particular values of the parameter and store the time series. Change one of the pa...

6 years ago | 2

summation of two different loops
If the vectors generated are of same size then you can add them. It is not clear what you mean by loop. Do you mean for loops. w...

6 years ago | 0

Problem in copying figure in MATLAB 2014b
have you tried this eval(['print -dmeta nameofyourfile.emf']);

9 years ago | 0

How to construct image from a .dat file?
what does your dat file contain. did you try imagesc option. import the dat file into matlab and store as a variable. ...

9 years ago | 0

How can I store scores in txt file by fprintf?
since you want it in text format why dont you use dlm write. If suppose you want to save a particular variable say S use fo...

9 years ago | 0

Importing specific rows of Data from Text file
I dont know if this would help. when i looked at your sensor data the first column consisted of strings while remaining columns ...

9 years ago | 0

How do I use a for-loop to do fft and plot the power?
HI, Try this and let me know. for a= 0:4 A=fft(Be(a*1000:(a+1)*1000)); A(1)=[]; ...

9 years ago | 0

How can I plot only certain values from an array?
just another method. This is round about way and will actually take more time to execute. j=1; for i=1:length(a)...

9 years ago | 0