Mudasir Ahmed

Last seen: meer dan 5 jaar ago | Active since 2014

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lecturer at university of sindh
Professional Interests: image processing

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how to mathematical modelling the solar PV in Simulink?
Hi I need help regarding the mathematical modelling of PV module in simulink matlab. I watched one video (link is attached) reg...

bijna 6 jaar ago | 1 answer | 1

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answer

Question

how to plot 4 dimensional data?
Hi I want to plot my data in 4D map. data matrix is of 5000 by 4. each coloumn represent 1 quantity or variable. sample of data...

bijna 7 jaar ago | 3 answers | 0

3

answers

Question

How to represent multiple lines (20+) in legend?
hi I want to represent data with plot having 24 lines. but when I add the description of each line in the legend, the legend bo...

ongeveer 8 jaar ago | 1 answer | 0

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answer

Question

how to adjust data in array?
hi I have data in the array (array size is 12) which is divided into 5 groups as shown in attached picture. Now for e.g I wan...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question

why the "power_fftscope" and FFT analysis tool in powergui give different results?
hi I measure the FFT of a signal name "voltage3" using powergui as shown in fig 1st. then I use the instruction "power_fftsc...

bijna 9 jaar ago | 0 answers | 0

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answers

Question

How to access the data from the FFT Analysis tool in the Powergui and use in the workspace
hi I simulate the circuit in Simulink Matlab and measures its fft using FFT analysis tool in the powergui. now I want to acce...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question

how to measure a FFT of 50Hz signal?
hi I want to measure the FFT of 50HZ signal. I collect the data from oscilloscope which is also attached herewith. the total ...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question

how to change the xtick of the picture into 10 power format?
hi I plotted one graph which is attached herewith. Now I want to change the x-axis ticks into 10 power format. for e.g x...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question

how to change the y-axis ticks into 10 base power?
hi I want to change the y-axis ticks into 10 base power format. Actually, the y-axis is the log of any data. but i need y-axi...

bijna 9 jaar ago | 4 answers | 0

4

answers

Question

how to change or compliment a particular bit in the binary string?
Hi I have number like a=50 I want to convert it to binary, then I want to randomly choose the position in a binary string and...

ongeveer 9 jaar ago | 3 answers | 0

3

answers

Question

how to merge two string vectors and get third vector?
hi I have two decimals number I convert them in binary strings '00011011010001' and '00110110100010' and I want to merge the...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question

How to convert decimal matrix matrix into binary matrix?
hi I want to convert 3 by 4 decimal matrix into equivalent 3 by 4 binary matrix e.g a=[10 9 8 7 9 7 9 6 ...

ongeveer 9 jaar ago | 2 answers | 0

2

answers

Question

alternative ways of taking inverse of matrix?
hi i want to take inverse of matrix. but some times following error occurs due to determinant zero and my program stops in th...

meer dan 9 jaar ago | 1 answer | 0

1

answer

Question

How to put value in symbolic variable in differential equation (Newton Raphson Method)?
hi i need help in the following code. i require "df" value in numeric form but here i get the complete expressions due to sym...

meer dan 9 jaar ago | 1 answer | 0

1

answer

Question

how to build DC wave which have a amplitude of 0 to 360 and frequency 50HZ
hi i want to generate the waveform which has a amplitude from 0 to 360 and have frequency 50 Hz in simulink. i built the circ...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question

how to do decisions and compare events at fixed repeatative time span of 0 to 0.02 seconds
hi i have a periodic time span of 0 to 0.02 seconds (50 hz signal). now in that fixed repetitive and accurate duration i want...

bijna 10 jaar ago | 0 answers | 0

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answers

Question

error in HDL code generation?
hi i want to convert my simulink file into HDL code for FPGA using HDL coder in matlab, the main error occurs at 'clock' blo...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question

how to translate or load code of simulnk in fpga?
hi i have made a mosfet base circuit of three phase 7 level inverter which has 36 switches. now, i want to implement that log...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question

how to solve Ring topology?
hi i have two matrix, y contains the variable and d contains their solutions. Now first, i want to pair them in ring format ...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question

how to connect or utilized circuit of simulink with labview and GPIC ?
hi i have made a circuit in simulink in which 36 output signals are used and they are giving pulses to drive IGBT transistor...

bijna 10 jaar ago | 0 answers | 0

0

answers

Question

how to add ; in real time matrix in matlab?
hi i have a matrix of 1000 by 3. which i have to copy from some where and paste in the matlab. But as the matrix is classifie...

bijna 10 jaar ago | 2 answers | 0

2

answers

Question

how to generate a random sequence by excluding random number for each trial?
hi i want to generate two random numbers in between sequence 1 to 5. like 1 and 3, or 2 and 5, or 1 and 4. but the sequence i...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question

how to get precise conversion in matlab?
hi when i want to convert degrees(89.999999999999668207879992402105) into radians matlab gives 1.5707963267948966192313216916...

bijna 10 jaar ago | 1 answer | 0

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answer

Question

how to get precision value upto 20 to 30 digits after decimal?
hi i want to get numbers upto 20 to 30 digits after decimal point. when i use sym or vpa command for said problem in a partic...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question

how to obtain maximum numbers after decimal point?
hi in calculation, my problem needs at least 20 to 30 digits after decimal point for e.g (1.234567898745612321654645454875) f...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question

generate random number in between two numbers?
hi i have two numbers e.g [5,10]. or [17 7]. how we can generate random numbers in between these ranges. in e.g [5 10], 8 ...

ongeveer 10 jaar ago | 1 answer | 0

1

answer

Question

how to divide matrix in columns and pair them?
hi i have the following matrix. i want to split this according to column and pair them [0,0; 5,10; 10,15; ...

ongeveer 10 jaar ago | 1 answer | 0

1

answer

Question

shortest path selection for path planning in a obstacle environmet
hi i have obstacle in 2-D space centered at (10,10) having radius of 2.5. to avoid hitting the obstacle i take 4 points by s...

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question

powergui block in simulink
hi i have a data and i want to apply fft on it using powergui block , can any one knows hows it works. the values are stored ...

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question

fft analysis of fundamental(1st), 5th 7th 11th 13th harmonics
hi i want to apply fft operation on the following series optimumv = 92.1596 -1.3810 -1.1094 2.7546 -0.2628 1st=...

meer dan 10 jaar ago | 0 answers | 0

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