Jogger

Last seen: 1 day ago | Active since 2019

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audio codec performance measurement DAQ
I'm seeking for a Mathworks tool or interface that supports audio codec performance. SNR, Total harmonic distortion, cross-talk...

10 days ago | 1 answer | 0

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Error : Constant Operands
Hi Iam implementing following code as show below m = 10; v = [1 1 2 : m] If I try to make fixed point , I am getting the e...

2 months ago | 2 answers | 0

2

answers

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How to write cumulative product function
Hi I am trying to implement cumproduct without using built-in function. Below is my test code . I need help to implement "M...

2 months ago | 1 answer | 0

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Substitute C operator in matlab like divide, multiply, OR ,AND
Hi I am looking for matlab operator which is equivalent to <<= , >>= , ^= , &=, |= which is used in C Thank you!!

3 months ago | 1 answer | 0

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Algorithm for Fractional power calculation
Hi 1. fractional base is no problem with current implementation. 2. To support fractional exponents, get the n-th root for ...

3 months ago | 1 answer | 0

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How to add function argument for nthroot() ?
Hi I want to calculate nthroot() for 'embedded.fi', following is the code. I don't understand , how to fix rem(n(:),2) ? / ...

6 months ago | 1 answer | 0

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Derive base 10 logarithm from base 2 log output
Hi I am looking to calculate . log10 with base2log as input.i.e. log10(log2()) log() with base2log as input i.e. log(log2()...

6 months ago | 1 answer | 0

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Answered
Which is the best way to replace the typedefs of rtwtypes.h with the ones defined in my firmware?
You can have one of the following approach to get rid of rtwtypes.h Use standard ANSI complaint #include <stdint.h> and #inclu...

8 months ago | 0

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Error in fi divide for embedded fi object
Hi I am trying to make a fixed point calculation with below code. But I run into error , I don't understand what is wrong in m...

8 months ago | 1 answer | 0

1

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Question

Stop Bit growth for power computation
Hi I am in need a logic to check bit growth in case of word length is 32 /16/8-bit I am using following code to check bit ...

8 months ago | 2 answers | 0

2

answers

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How to plot multiple Loops and draw data lables for legend
Hi I want to plot return value C and add legend according to iteration for below code A = [1:4]; B = [1:4]; C = zeros(siz...

8 months ago | 1 answer | 0

1

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How to range array steps
Hi I am looking for a logic to range of value from -1 to +1 including 0 where data should look like -1-2-3...-32 : +32+31..1 ...

8 months ago | 1 answer | 0

1

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Question

Check range for power function
I am looking for a unit test vectors which checks the range of input values for power function so that I can implement equivalen...

9 months ago | 1 answer | 0

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File streaming using Nodejs
Goal With Nodejs support , the file should be streamed via the body Section -1 Accept a HTTP POST request which will cont...

11 months ago | 1 answer | 0

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Parallel processing remote and server logs collection / scp
I would like to stream a file using HTTP endpoint / scp so that I can collect the logs from a remote server. Is there a way ,...

11 months ago | 0 answers | 0

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Convert a Complex Number to exponential real
Hi I am looking for help to calculate value of a complex number say x = 2 +1j*5 using exponential function Thanks you

12 months ago | 2 answers | 0

2

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convert complex number to Integers
I have a exponential function and cordic exponential function. I see a differenc in output for exponential and cordic exp func ...

1 year ago | 2 answers | 0

2

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Question

How to create Trignometric function lookup table
Hi I need help to create a lookup table for twiddle factor generated by trignometric cosine and sine function ? Thanks

1 year ago | 0 answers | 0

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Question

colon expression to use integer operands
The following code does not work because the colon operands are not integer values stepSize = (pi/512); thRadDbl = (0:stepSize...

1 year ago | 3 answers | 0

3

answers

Question

Integers can only be raised to positive integral powers in db2mag computation
I am converting matlab code to c using fixed point coder app I am getting the below error Input to function db2mag_conv decib...

1 year ago | 2 answers | 0

2

answers

Question

Multiple input vector for polyfit and get polyval , derive the best coeff & least RMS Error
Hi I have a code which is computing the polyval for multiple input vectors. I would like to derive best coefficient and lowest...

1 year ago | 1 answer | 0

1

answer

Answered
Fixed point coder log10 implementation
qsb = fixed.Quantizer(numerictype(1,32,24)); y0 = quantize(qsb,20*fi(log(double(x)),1,32,24)/fi(log(double(10)),1,32,...

1 year ago | 0

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Audio signal beamformer algo
Hi I am looking for 3D audio signal information. For example [Signal,fs] = audioread('*.wav') x_dim = Signal.x y_dim = Si...

1 year ago | 0 answers | 0

0

answers

Answered
Fixed point coder log10 implementation
I made a test and I don't see the expected result I am still getting the error following error ??? Function 'log10' i...

1 year ago | 0

Question

Fixed point coder log10 implementation
I am using 20*log10(val) to get power in a dB y = 20*log10(3) But When i am using matlab coder to convert the in c/c++ code....

1 year ago | 3 answers | 0

3

answers

Question

Find sorrunding elements and element from an array
I have an array y = [ 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

1 year ago | 1 answer | 0

1

answer

Question

alternate way , without ismember function
Hi I am having problems in using the ismember function, so I want to replace ismember and I need help in replacing the functio...

1 year ago | 2 answers | 0

2

answers

Submitted

Time series Text Analysis viewer
Time series Text analysis plots the data text data and duration in time for analyzing the events.

1 year ago | 4 downloads |

Question

Coder Structure element Size Mismatch error during subscripting
Hi I am facing Size mismatch error while performing array operation with structure .I need help in resolving the issue Impns...

1 year ago | 1 answer | 0

1

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Question

Train Categorial data in Neural Network Model
I have a spread sheet containing categorial data . I would like to know which deep learning/Neural netwrok learnig algorithm is ...

2 years ago | 1 answer | 0

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