I'm Associate in Engineering Development Group at Math works.

My Interests are in the area of communications and pattern recognition and machine learning.

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

Answered

how to verify that the phase of the two signals x1(t) and x2(t) is correct at t = 0, and also verify that each one has the correct maximum amplitude.

You may get some help with discussion here

how to verify that the phase of the two signals x1(t) and x2(t) is correct at t = 0, and also verify that each one has the correct maximum amplitude.

You may get some help with discussion here

11 Tage ago | 0

Answered

For loop with variables that are dependent upon other variables (Daisyworld numerical model)

check the discussion about nested loops here

For loop with variables that are dependent upon other variables (Daisyworld numerical model)

check the discussion about nested loops here

11 Tage ago | 0

| accepted

Answered

phase portrait for system of ode

Refer the answer to similar topic here

phase portrait for system of ode

Refer the answer to similar topic here

11 Tage ago | 0

| accepted

Answered

Determine the percentage of proximity of a point with respect to the theoretical

You may assume an incircle or excircle and scale the distance with respect to radius of circle can be converted to percentage, y...

Determine the percentage of proximity of a point with respect to the theoretical

You may assume an incircle or excircle and scale the distance with respect to radius of circle can be converted to percentage, y...

11 Tage ago | 0

| accepted

Answered

How to plot the phase portrait of a second-order differential equation? I cannot use quiver

Check the answer on similar question answered here

How to plot the phase portrait of a second-order differential equation? I cannot use quiver

Check the answer on similar question answered here

11 Tage ago | 0

| accepted

Answered

How to perform the same actions on a matrix that is broken up into sections?

Various operations are discussed for matrix segmentation and rebuilding here and also refer matrix array operations

How to perform the same actions on a matrix that is broken up into sections?

Various operations are discussed for matrix segmentation and rebuilding here and also refer matrix array operations

11 Tage ago | 0

Answered

how to measure duty cycle from continues varying frequency ....?

check any examples which matches the case here

how to measure duty cycle from continues varying frequency ....?

check any examples which matches the case here

12 Tage ago | 0

Answered

Repeating sequence as an input to a stateflow chart from Simulink, the first value is not read and calculated

Use the process described here to detect common modeling errors explained here

Repeating sequence as an input to a stateflow chart from Simulink, the first value is not read and calculated

Use the process described here to detect common modeling errors explained here

12 Tage ago | 0

Answered

Topology Optimization - How the element matrix is constructed from line 86-99.?

I don't get the specific issue you are facing problem with, still it may be solved by going through article attached here.

Topology Optimization - How the element matrix is constructed from line 86-99.?

I don't get the specific issue you are facing problem with, still it may be solved by going through article attached here.

12 Tage ago | 0

Answered

How to measure roughness of a curved surface in matlab?

check the similar question here

How to measure roughness of a curved surface in matlab?

check the similar question here

12 Tage ago | 0

Answered

using Argmax for PALU factorisation

Go thorugh the conversation here and basic matrix operations of matlab documentation

using Argmax for PALU factorisation

Go thorugh the conversation here and basic matrix operations of matlab documentation

12 Tage ago | 0

Answered

What to interpret by PSNR and SNR values in image processing?

Both the terms are better explained here

What to interpret by PSNR and SNR values in image processing?

Both the terms are better explained here

etwa 2 Monate ago | 0

Answered

What does the "X/R ratio " checkbox signify in the Three-Phase Source block in SimPowerSystems?

It is defined as the quality factor of the internal source impedance, for more details refer the link.

What does the "X/R ratio " checkbox signify in the Three-Phase Source block in SimPowerSystems?

It is defined as the quality factor of the internal source impedance, for more details refer the link.

etwa 2 Monate ago | 1

| accepted

Answered

vpasolve of a equation with four solutions.

From the posted code I see Z1 and Z2 are always the same since B is always 1*1 double and only if condition(following B=real(sol...

vpasolve of a equation with four solutions.

From the posted code I see Z1 and Z2 are always the same since B is always 1*1 double and only if condition(following B=real(sol...

etwa 2 Monate ago | 0

Answered

How to draw binary phase diagram ??

Since the solution from vpasolve is complex in this case, try to plot as real vs complex values as described here.

How to draw binary phase diagram ??

Since the solution from vpasolve is complex in this case, try to plot as real vs complex values as described here.

etwa 2 Monate ago | 0

| accepted

Answered

Tidal acceleration of the Earth affected from sun and moon

Go through the process described here to know more about switch cases and to use them just have it in your code, need not do any...

Tidal acceleration of the Earth affected from sun and moon

Go through the process described here to know more about switch cases and to use them just have it in your code, need not do any...

etwa 2 Monate ago | 1

Answered

the script works normally for few data but if it accepts a table with a lot of data it takes too long time (>1hr........give a result but in a long time)

Decent way to do is know which parts of the code are taking long time by profiling, check link for profile documentation here, t...

the script works normally for few data but if it accepts a table with a lot of data it takes too long time (>1hr........give a result but in a long time)

Decent way to do is know which parts of the code are taking long time by profiling, check link for profile documentation here, t...

etwa 2 Monate ago | 0

Answered

How can I get a calculated function value???

I see no reason why it is not calculated after declaring all values, check if values "u" and "v" are present in the workspace an...

How can I get a calculated function value???

I see no reason why it is not calculated after declaring all values, check if values "u" and "v" are present in the workspace an...

etwa 2 Monate ago | 0

Answered

How to fit data to sawtooth waveform?

curve fitting tool has all options listed here which doesn't have sawtooth function in any direct way

How to fit data to sawtooth waveform?

curve fitting tool has all options listed here which doesn't have sawtooth function in any direct way

etwa 2 Monate ago | 0

Answered

If statement doesn't work while reading cell or vector

Can you send the sample file which you are checking the code with, so that issue can be reproduced

If statement doesn't work while reading cell or vector

Can you send the sample file which you are checking the code with, so that issue can be reproduced

etwa 2 Monate ago | 0

Answered

How to plot step response and impulse response in 3d graph?

Looks like 2D to 3D conversion in this case is just stack them as explained here, since they are continuous time transfer functi...

How to plot step response and impulse response in 3d graph?

Looks like 2D to 3D conversion in this case is just stack them as explained here, since they are continuous time transfer functi...

etwa 2 Monate ago | 0

Answered

How can we draw the graph of a function of complex variables involving two variables in Matlab?

The function is C2 -> C , which should be a 4D, there is nothing as such in matlab, but you can get slices of it as 3D plot, ref...

How can we draw the graph of a function of complex variables involving two variables in Matlab?

The function is C2 -> C , which should be a 4D, there is nothing as such in matlab, but you can get slices of it as 3D plot, ref...

etwa 2 Monate ago | 0

Answered

Rat or Sym for a more exact answer?

'sym' is to represent as symbolic constant and 'rat' does the approximation, if you dont want to approximate in the between and ...

Rat or Sym for a more exact answer?

'sym' is to represent as symbolic constant and 'rat' does the approximation, if you dont want to approximate in the between and ...

etwa 2 Monate ago | 0

| accepted

Answered

what does if(s(j+1)==y1(j+1)) mean?

Ask modulation is simply multiplying data sequence(0,1) with a continuous wave, so you get signal at places of 1's and get no si...

what does if(s(j+1)==y1(j+1)) mean?

Ask modulation is simply multiplying data sequence(0,1) with a continuous wave, so you get signal at places of 1's and get no si...

etwa 2 Monate ago | 0

Answered

Tall Matrix Index Extraction

Since tall matrices are challenging in terms of memory, how about parsing arrays "xtall" and "id" and using with appropriate off...

Tall Matrix Index Extraction

Since tall matrices are challenging in terms of memory, how about parsing arrays "xtall" and "id" and using with appropriate off...

etwa 2 Monate ago | 0

Answered

Maximum number of function evaluations exceeded; increase OPTIONS(14)

I couldn't reproduce the issue at my end, although I see increaes options as optimization parameter as defined in syntax of 5th ...

Maximum number of function evaluations exceeded; increase OPTIONS(14)

I couldn't reproduce the issue at my end, although I see increaes options as optimization parameter as defined in syntax of 5th ...

etwa 2 Monate ago | 0

Answered

Find the inverse Laplace transforms of the following functions F(s) = 6/(s2 + 2s - 8)

It is explained here to represent the function in matlab and then apply inverse laplace using ilaplace function.

Find the inverse Laplace transforms of the following functions F(s) = 6/(s2 + 2s - 8)

It is explained here to represent the function in matlab and then apply inverse laplace using ilaplace function.

etwa 2 Monate ago | 0

Answered

How can I speed up multiplication of multiple 3D matrices?

Hi Akash, I don't see any complex matrices in the implementation you can make use of NDFUN it is explained in the link provided...

How can I speed up multiplication of multiple 3D matrices?

Hi Akash, I don't see any complex matrices in the implementation you can make use of NDFUN it is explained in the link provided...

etwa 2 Monate ago | 0