Question


Number of Inputs of a function
Hi all, I have a problem with choosing the Input of this function: [Outputs]=function[In1,In2,In3,In4,..In7] M=regre...

etwa 6 Jahre ago | 1 answer | 0

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answer

Question


FFT in 3D matrix
Hi all, is there any pssibility wothout for loop to do the FFt of this: F_domain = FFT (t_domain). t_domain is a matrix of...

etwa 6 Jahre ago | 1 answer | 0

1

answer

Question


daetnum for a formatin
hi all, is it possible to use this Format for datenum? formatIn='dd.mm.yyyyHH:MM' thank you

etwa 6 Jahre ago | 1 answer | 0

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Question


for loop for matlab files
Hi all, i have a group of M-files. they ara named in this manner: % M1.m M2.m . . . how could i read these fil...

mehr als 6 Jahre ago | 2 answers | 0

2

answers

Question


a problem with for loop and indexinf
Hi all! i have 10 Arrays. they have the Name Array_1..........Array_10. for all of the Arrays i want to make some mathemati...

mehr als 6 Jahre ago | 2 answers | 0

2

answers

Question


plot point in specified position
Hi experts, i have this vector for exemple: %A=[1 2 3 5 6 4]; i want to plot the A(1) in the 10th position , the A(2) ...

mehr als 6 Jahre ago | 1 answer | 0

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Question


fill a range with specified color
Hi all! i have these vectors: %A=[1:5] %b=[2 2 2 2 2] %c=[4 4 4 4 4] plot(A,b,A,c) how could i plot the the Ran...

mehr als 6 Jahre ago | 1 answer | 0

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Question


a queston to plot
hi all i have variables : a1, a2, ...........................a100 i want to plot them in one plot: i wrote this program to...

mehr als 6 Jahre ago | 2 answers | 0

2

answers

Question


a simple Question about loops
Hi All for exemple: %% % a=[1 2 3 5 4 8]; v=[] v(1)=a(1); for k=2:length(a) if(k<3) ...

mehr als 6 Jahre ago | 1 answer | 0

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Question


calculation of successive diffrence
Hi all! I have a problem with this : I have an array: % A=[a1 a2 a3 a4 ......an] i want to calculate succesivelly the...

fast 7 Jahre ago | 2 answers | 0

2

answers

Question


a problem with a function
hi all ! i wrote this simple function % function [ output_args ] = fract_int16( input_args ) if input_args<0 ou...

mehr als 7 Jahre ago | 3 answers | 0

3

answers

Question


convolution of two vector
hi ! i want to convolute a vector a=[a1 a2 a3 .....an] with the vectors in this matrix b=[B1 B2 B3....Bn]. B are vectors. ...

mehr als 7 Jahre ago | 2 answers | 0

2

answers

Question


splitt a matrix in specified manner
hi! Ho to manipulate this matrix in this manner: %% A=[a11 a12 a13 a14 a15 a16......... a21 a22 a23 a24 a25 a26..........

mehr als 7 Jahre ago | 2 answers | 0

2

answers

Question


problem reading a text data
┬┤hi all! i have a big text file. Its form is : %% 32761 43718 0 0 10847 21163 0 0 22127 10953 0 0 21791 10780 0 0 ...

mehr als 7 Jahre ago | 1 answer | 0

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Question


extract data from a text data.
Hi all! i have a text file. it is constructed like this: %% input start1 a:12 b:1.5 c:1.75 d:0.25 a:52 b:3.5 c:2.75 ...

mehr als 7 Jahre ago | 1 answer | 0

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Question


confused with atan2d for negative number
hi, why is atan2d(-3,-1) is diffrent than atan2d(3,1)? thank you

mehr als 7 Jahre ago | 1 answer | 0

1

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Question


atan2 of successive point in an Array
Hi all! how could i calculate the atan2 for this Vector in this way: %% A=[a0 a1 a2 a3 a4......] atan_vec=[atan2(a1,a0)...

mehr als 7 Jahre ago | 1 answer | 0

1

answer

Question


int16 and fixed point transformation
Hi All! I am trying to build a process wich take place in a DSP . I want to evaluate with matlab. I get uint16 data from the...

mehr als 7 Jahre ago | 0 answers | 0

0

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Question


FFT of Sampled data
Hi all I have a sampled data of the length 1024. the sampling frequency is 400kHz. I want to split this data in two Vectors...

mehr als 7 Jahre ago | 1 answer | 0

1

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Question


how to change this matrix in this manner?
how to manipulate this matrix without for loop: %% A=[a1,b1,c1,d1.......;a2,b2,c2,d2..........;a3,b3,c3,d3.......;a4,b4,c4,...

mehr als 7 Jahre ago | 2 answers | 0

2

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Question


manibulation of 3d matrix
hi all! I have a matraix: %% A(1,:,:)=[a1 a2 a3..;a11 a22 a33 ..;.....;] B(1,:,:)=[b1 b2 b3..;b11 b22 b33 ..;.....;] h...

mehr als 7 Jahre ago | 1 answer | 0

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Question


for loop problem with matrix
Hi all! I have matrix 'Input' with the size of 1024*10 i wrote a matlab program just for one vector input(:,1). the prog...

mehr als 7 Jahre ago | 1 answer | 0

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Question


IIR filter as amoving averege
hi! I want to use the *filter* function as a moving averege filter. the Type of the filter should be IIR Filter. Te window leng...

mehr als 7 Jahre ago | 2 answers | 0

2

answers

Question


moving averege of a matrix
Hi! a have a matrix: % A=[2 5 6 8 7 ;2 2 3 5 6; 1 2 3 4 2] how could i calculate the moving averege (order 2) of the...

mehr als 7 Jahre ago | 3 answers | 0

3

answers

Question


how to write this without loop
hi! i wrote this in matlab: % r is a mtrix of the size(25*30000) for l=1:30000 for k=2:25 d(k,l)=r(k,l)-r(k-...

fast 8 Jahre ago | 2 answers | 0

2

answers

Question


find a vector in a big vector
hi! how could i write this: % index=[find(a=2);find(a=4);find(a=6);find(a=8)....find(a=20)] in a compact manner? tha...

fast 8 Jahre ago | 3 answers | 0

3

answers

Question


axis in a plot in matlab
Hi together I have a plot. the x-axis is from 2:200. I want to show in the figure that x-axis is from 100:288. i know i cou...

fast 8 Jahre ago | 1 answer | 0

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answer

Question


diffrence of vector element and addition element- wise
hi! i have a vector % A=[1 2 3 98 99 102] i calculate the difference betwen thelement with the function *diff* ...

fast 8 Jahre ago | 2 answers | 0

2

answers

Question


eleminating data from a long vector
Hi all! i have an index vector: % index=[id1;id2;id3.....idn] and i have a long vector: A i want to eleminate th...

fast 8 Jahre ago | 2 answers | 0

2

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Question


function in a loop in matlab
Hi! how could i use a funktion in for loop in matlab. as an exemple : % for i=1:4 [out1 out2]=function_name(input1,i...

fast 8 Jahre ago | 1 answer | 0

1

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