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Jogger


Last seen: Today 2019 以来アクティブ

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質問


Confusion between real-world and floating-point values
Hello there, I'm converting floating to real-world data values with the code snippet below. I notice that after scaling, float...

9日 前 | 1 件の回答 | 0

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質問


syntax cellstr Error when using double as input argument
Hi there, Octave does work correctly . n = 4; class(n) ans = double cellstr(n) ans = { [1,1] = } I run the followi...

29日 前 | 2 件の回答 | 0

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質問


Math equation for MFCC bit rate
Hi there, What kind of equation must I create before arriving at the bit rate calculation if I must perform MFCC math calcula...

約1ヶ月 前 | 1 件の回答 | 0

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質問


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...

3ヶ月 前 | 1 件の回答 | 0

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質問


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...

5ヶ月 前 | 2 件の回答 | 0

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質問


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...

5ヶ月 前 | 1 件の回答 | 0

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質問


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!!

5ヶ月 前 | 1 件の回答 | 0

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質問


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 ...

6ヶ月 前 | 1 件の回答 | 0

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質問


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) ? / ...

9ヶ月 前 | 1 件の回答 | 0

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質問


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()...

9ヶ月 前 | 1 件の回答 | 0

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回答済み
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...

10ヶ月 前 | 0

質問


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...

10ヶ月 前 | 1 件の回答 | 0

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質問


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 ...

11ヶ月 前 | 2 件の回答 | 0

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回答

質問


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...

11ヶ月 前 | 1 件の回答 | 0

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質問


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 ...

11ヶ月 前 | 1 件の回答 | 0

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回答

質問


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...

11ヶ月 前 | 1 件の回答 | 0

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質問


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...

約1年 前 | 1 件の回答 | 0

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質問


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 ,...

約1年 前 | 0 件の回答 | 0

0

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質問


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

約1年 前 | 2 件の回答 | 0

2

回答

質問


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年以上 前 | 1 件の回答 | 0

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質問


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年以上 前 | 0 件の回答 | 0

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質問


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年以上 前 | 3 件の回答 | 0

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質問


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年以上 前 | 2 件の回答 | 0

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質問


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年以上 前 | 1 件の回答 | 0

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回答済み
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年以上 前 | 0

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質問


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年以上 前 | 0 件の回答 | 0

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回答済み
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年以上 前 | 0

質問


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年以上 前 | 3 件の回答 | 0

3

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質問


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 ...

2年弱 前 | 1 件の回答 | 0

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質問


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...

2年弱 前 | 2 件の回答 | 0

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