# Jogger

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**Content Feed**

Question

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...

11 dagen ago | 1 answer | 0

### 1

answerQuestion

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...

ongeveer een maand ago | 2 answers | 0

### 2

answersQuestion

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...

ongeveer 2 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 2 answers | 0

### 2

answersQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 1 answer | 0

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answerWhich 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 maanden ago | 0

Question

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 2 answers | 0

### 2

answersQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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 maanden ago | 1 answer | 0

### 1

answerQuestion

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...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

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 ,...

ongeveer een jaar ago | 0 answers | 0

### 0

answersQuestion

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

ongeveer een jaar ago | 2 answers | 0

### 2

answersQuestion

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 ...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

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

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

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...

meer dan een jaar ago | 3 answers | 0

### 3

answersQuestion

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...

meer dan een jaar ago | 2 answers | 0

### 2

answersQuestion

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...

meer dan een jaar ago | 1 answer | 0

### 1

answerFixed 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,...

meer dan een jaar ago | 0

| accepted

Question

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...

meer dan een jaar ago | 0 answers | 0

### 0

answersFixed 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...

meer dan een jaar 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....

meer dan een jaar ago | 3 answers | 0

### 3

answersQuestion

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 ...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

bijna 2 jaar ago | 2 answers | 0