I am an engineer in Engineering Development Group at Mathworks, Hyderabad. My main responsibilities include handling technical support cases at Mathworks.

DISCLAIMER: Any advice or opinions here are my own, and in no way reflect that of Mathworks.

Answered

beginners question on I/O

I see you are using MATLAB R2018b but the function readmatrix is available from 2019a. Update to R2019a or R2019b to access the ...

beginners question on I/O

I see you are using MATLAB R2018b but the function readmatrix is available from 2019a. Update to R2019a or R2019b to access the ...

alrededor de 19 horas ago | 0

Answered

my datatip disappears in app GUI when i add another y axis

Refer to the link below https://www.mathworks.com/matlabcentral/answers/266547-why-always-said-an-error-occurred-while-drawing-...

my datatip disappears in app GUI when i add another y axis

Refer to the link below https://www.mathworks.com/matlabcentral/answers/266547-why-always-said-an-error-occurred-while-drawing-...

alrededor de 19 horas ago | 0

Answered

How to combine multi column cell in table with commas for excel?

You can try creating table from string array rather than numeric array to combine the data for A into one column as shown below ...

How to combine multi column cell in table with commas for excel?

You can try creating table from string array rather than numeric array to combine the data for A into one column as shown below ...

alrededor de 19 horas ago | 0

Answered

Equation with multiple variables: Finding all combinations x1,x2 that lead to certain outcome y.

You can use meshgrid to obtain all possible combinations of x1 and x2 followed by feval to evaluate the function as shown below ...

Equation with multiple variables: Finding all combinations x1,x2 that lead to certain outcome y.

You can use meshgrid to obtain all possible combinations of x1 and x2 followed by feval to evaluate the function as shown below ...

3 días ago | 0

Answered

Obtaining bode plot from FRF

You can estimate the transfer function from the frequency response data using tfest. Once the transfer function is obtained you ...

Obtaining bode plot from FRF

You can estimate the transfer function from the frequency response data using tfest. Once the transfer function is obtained you ...

3 días ago | 0

Answered

Need help with OFDM noise module

I suppose you think your model is inaccurate because BERtheory and BERarray does not match. This is because you are performing b...

Need help with OFDM noise module

I suppose you think your model is inaccurate because BERtheory and BERarray does not match. This is because you are performing b...

3 días ago | 0

Answered

Plotting Matrix Columns with Colorbar

You can use contour function to plot isochrones as shown below. x=1:50; t=1:5000; M=somefun(x,t) % dimensions of M= 50x5000 ...

Plotting Matrix Columns with Colorbar

You can use contour function to plot isochrones as shown below. x=1:50; t=1:5000; M=somefun(x,t) % dimensions of M= 50x5000 ...

5 días ago | 0

Answered

I am trying to open Simulink but an error massege pops up in command promt as follows:

Its not clear what qss_tb_library is. In case you are trying to open Simulink, use the following command in command window simu...

I am trying to open Simulink but an error massege pops up in command promt as follows:

Its not clear what qss_tb_library is. In case you are trying to open Simulink, use the following command in command window simu...

5 días ago | 0

Answered

need help in plotting this simulink

You can set the sample time of the input block you are using to 1/n and set the Stop Time to 1.

need help in plotting this simulink

You can set the sample time of the input block you are using to 1/n and set the Stop Time to 1.

5 días ago | 0

Answered

I keep getting this error, " Failure in initial objective function evaluation. FSOLVE cannot continue."

fsolve fails to continue because the function MyFunction doesnot not have access to the variables (M1, M2, M3...). You can use ...

I keep getting this error, " Failure in initial objective function evaluation. FSOLVE cannot continue."

fsolve fails to continue because the function MyFunction doesnot not have access to the variables (M1, M2, M3...). You can use ...

5 días ago | 0

| accepted

Answered

How to extend a curve until x-axis and y-axis

Hi, You can use interp1 function to interpolate your plot till x=0. There are different methods the function adopts for interpo...

How to extend a curve until x-axis and y-axis

Hi, You can use interp1 function to interpolate your plot till x=0. There are different methods the function adopts for interpo...

alrededor de 1 mes ago | 0

Answered

Use "breakyaxis" with vectorgraphics

Hi, Try to save it using print. Typically, print uses the Painters renderer when generating vector graphics files. However, fo...

Use "breakyaxis" with vectorgraphics

Hi, Try to save it using print. Typically, print uses the Painters renderer when generating vector graphics files. However, fo...

2 meses ago | 0

Answered

How do I apply High-pass filter onto this recorded audio? Because we need to take the filer of a.

Hi, You can use Filter Designer app to design your filter and export it to workspace. Refer to the link below for understanding...

How do I apply High-pass filter onto this recorded audio? Because we need to take the filer of a.

Hi, You can use Filter Designer app to design your filter and export it to workspace. Refer to the link below for understanding...

2 meses ago | 0

Answered

curve fitting toolbox F test ?

Hi, You can use fitlm to extract p-values. The summary statistics of the model inlcudes p-value for the F-test on the model. P...

curve fitting toolbox F test ?

Hi, You can use fitlm to extract p-values. The summary statistics of the model inlcudes p-value for the F-test on the model. P...

2 meses ago | 0

Answered

Discrete transfer function show different results in Simulink and in Matlab!

Hi, This might be because of the unstable poles in discrete transfer function. Try using LTI block instead of discrete transfer...

Discrete transfer function show different results in Simulink and in Matlab!

Hi, This might be because of the unstable poles in discrete transfer function. Try using LTI block instead of discrete transfer...

2 meses ago | 0

Answered

saved plot always comes out bitmapped

Hi, Typically, print uses the Painters renderer when generating vector graphics files. However, for some complex figures, prin...

saved plot always comes out bitmapped

Hi, Typically, print uses the Painters renderer when generating vector graphics files. However, for some complex figures, prin...

2 meses ago | 0

| accepted

Answered

Finding the curvature of a vector function

Hi, Refer to the following link which has function to calculate the Curvature vector. https://www.mathworks.com/matlabcentral/...

Finding the curvature of a vector function

Hi, Refer to the following link which has function to calculate the Curvature vector. https://www.mathworks.com/matlabcentral/...

2 meses ago | 0

Answered

cannot modify plot axes as per documentation

Hi, The changing of units of x- or y-axis units by right-clicking the mouse on the axis label or by right-clicking on the plot...

cannot modify plot axes as per documentation

Hi, The changing of units of x- or y-axis units by right-clicking the mouse on the axis label or by right-clicking on the plot...

2 meses ago | 0

Answered

Numerically Integral over one variable only

Hi, Try the following syms x y f=x^2+y; g=3*x-y; fg=f*g; F=int(fg,x,1,3)% to integrate symbolic expression fg with x varyi...

Numerically Integral over one variable only

Hi, Try the following syms x y f=x^2+y; g=3*x-y; fg=f*g; F=int(fg,x,1,3)% to integrate symbolic expression fg with x varyi...

2 meses ago | 0

Answered

I solved the differential equation by eigenvalues/eigenvectors, how would I solve for the constants from my initial conditions?

Hi, You can use vpasolve to solve for C1, C2, C3. Try the following vpasolve(subs(X(1),t,0)==3,C3) % to solve for C3. Similar...

I solved the differential equation by eigenvalues/eigenvectors, how would I solve for the constants from my initial conditions?

Hi, You can use vpasolve to solve for C1, C2, C3. Try the following vpasolve(subs(X(1),t,0)==3,C3) % to solve for C3. Similar...

2 meses ago | 0

Answered

Unable to perform assignment because the left and right sides have a different number of elements.

Hi, While calculating Q you are using h1 rather than an element in h1 vector . Hence size of ch1and consequently nh1 which are...

Unable to perform assignment because the left and right sides have a different number of elements.

Hi, While calculating Q you are using h1 rather than an element in h1 vector . Hence size of ch1and consequently nh1 which are...

2 meses ago | 0

| accepted

Answered

Plotting normalised histogram of parameters

Hi, You can use histogram function to plot normalized histograms. To choose the type of normalization you can refer to Normaliz...

Plotting normalised histogram of parameters

Hi, You can use histogram function to plot normalized histograms. To choose the type of normalization you can refer to Normaliz...

2 meses ago | 0

Answered

Evaluating Excel Data to organize data

Hi, You can use importdata to load file into workspace which gives you a structure with fields data and textdata. You can use c...

Evaluating Excel Data to organize data

Hi, You can use importdata to load file into workspace which gives you a structure with fields data and textdata. You can use c...

3 meses ago | 1

Answered

How to cut out low frequencies from an audio file signal?

Hi, You can use high pass filter to filter out the low frequencies. Refer to this link to understand designing of high pass fil...

How to cut out low frequencies from an audio file signal?

Hi, You can use high pass filter to filter out the low frequencies. Refer to this link to understand designing of high pass fil...

3 meses ago | 0

Answered

Using scatter3 in conjunction with setting axis limits draws at wrong coordinates

Hi, The point is being plotted at right position. Try rotating the plot to make sure the point is at right position

Using scatter3 in conjunction with setting axis limits draws at wrong coordinates

Hi, The point is being plotted at right position. Try rotating the plot to make sure the point is at right position

3 meses ago | 0

| accepted

Answered

I am trying to combine plots to one graph for u, p and a. So i need three separate graphs in total but im having trouble combining the plots needed for each graph.

Hi, When you are trying to plot u2, try the following plot (t2,u2, '--r') Similarly for p2 and a2

I am trying to combine plots to one graph for u, p and a. So i need three separate graphs in total but im having trouble combining the plots needed for each graph.

Hi, When you are trying to plot u2, try the following plot (t2,u2, '--r') Similarly for p2 and a2

3 meses ago | 0

| accepted

Answered

Data type error finding an actual value for the inverse Laplace of a function when attempting to plot it

Hi, t is a variable and hence cannot be used with plot function. You can plot X_o against t0. plot(t0,X_o)

Data type error finding an actual value for the inverse Laplace of a function when attempting to plot it

Hi, t is a variable and hence cannot be used with plot function. You can plot X_o against t0. plot(t0,X_o)

3 meses ago | 0

Answered

Table UI issues in MATLAB

Hi, You can use uifigure instead of figure as shown below fig=uifigure; uitable(fig,'Data',T); To change the properties of t...

Table UI issues in MATLAB

Hi, You can use uifigure instead of figure as shown below fig=uifigure; uitable(fig,'Data',T); To change the properties of t...

3 meses ago | 0

Answered

How do I change the names of functions generated by embedded coder?

Hi, Function Customization can be done using using Embedded Coder Dictionary. Refer to this link to specify a rule that govern...

How do I change the names of functions generated by embedded coder?

Hi, Function Customization can be done using using Embedded Coder Dictionary. Refer to this link to specify a rule that govern...

3 meses ago | 0

Answered

Button push status GUI

Hi, You can try this function pushbutton1_Callback(hObject, eventdata, handles) % operation 1 here guidata(hObject, handle...

Button push status GUI

Hi, You can try this function pushbutton1_Callback(hObject, eventdata, handles) % operation 1 here guidata(hObject, handle...

3 meses ago | 0

| accepted