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Eng. Fredius Magige


Last seen: 4 months 前 |  自 2015 起处于活动状态

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Water Infrastructural Design and O&M engineering, Piped systems Design and Optimization, Billing system design and development

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已回答
Please assist to resolve a updated requirement in multi-variables (inbuilt for function); it only undergo once update among the ten expected outputs, see line 7 and 60
Simply solved by this way ... function [Qy, DD, FUN] = SANAI2(Qy0) tic, ...

6 months 前 | 0

已回答
How to optimize a very large CO2 piping distribution network in matlab using optimization function in matlab?
Hi Why not use GA tool; if your network is branches; it is a simple problem as longer as you have proposed minimum residual he...

5 years 前 | 0

已回答
how to plot segments with different colors
Hi You could turn to "g/gplot" then select the column/row as coloring characteristics as "weigh" properties requirement. It wil...

5 years 前 | 0

已回答
could I use gplot in different linewidths and colors; how?/
Hi MatLab community I got the answers through new MatLab version, 2018. All line properties are analysed by gplot/g graph capab...

5 years 前 | 0

| 已接受

已回答
Is it possible gplot to have different line size, any help appreciated too
The new release MatLab has gplot/g with capability to generate different line width with colors by weight characteristics/functi...

5 years 前 | 0

提问


could I use gplot in different linewidths and colors; how?/
hi all Could I use gplot to produce analytical hydraulics. As, I suppose to have output of different pipe diameters (different ...

5 years 前 | 1 个回答 | 0

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how could i search error from code/script, i am using R2010b
how could i search error from code/script, i am using R2010b

7 years 前 | 0 个回答 | 0

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已回答
Is there a way to use find function if I know there will be some empty sets?
Hi modify and use switch case, as go the second if the first fond empty set ([ ]) Thanks

7 years 前 | 0

提问


How can I incoporate logics of and/or in switch case problem
How can I use/incorporate and adoption of logic (and/or) combination in switch case problem. Any assistance is appreciated too ...

7 years 前 | 1 个回答 | 0

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已回答
Undefined function 'log' for input arguments of type 'table'.
Hi Why not try: Ln_P=log10(Price); Ln_X=log10(X);

7 years 前 | 0

已回答
Undefined function 'log' for input arguments of type 'table'.
Hi try: log10 it should work

7 years 前 | 0

已回答
access the row and col of a matrix
call it as: call=A(2,3)

7 years 前 | 0

已回答
misbehaving of sort function, for looping the first and last rows not orienting to my expected results and well as specified indexes not corrects
Hi all my collegues, I got best answer by manipulation of sort as: [AA BB]=sort(Graptable(:,[12:21,1:11])); Graptable = Gra...

7 years 前 | 0

| 已接受

提问


misbehaving of sort function, for looping the first and last rows not orienting to my expected results and well as specified indexes not corrects
Hi misbehaving of sort function, for looping the first and last rows not orienting to my expected results and well as specified...

7 years 前 | 1 个回答 | 0

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已回答
Directed Graph with Node IDs as String
Hi Gplot with adjacency matrix is good option for multidirective graph, Thanks

8 years 前 | 0

已回答
Is there any limit in no: of variables that can be solved using matlab?
Hi Iam not sure with limitation; I developed more than 100 pages with more than 5000 variable in 2010b, and seem Matlab is OK t...

8 years 前 | 0

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Warning: Rank deficient, rank
I am calling some element/indexing from matrix to allocate some element in another matrix (not having the same row and column). ...

8 years 前 | 1 个回答 | 0

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已回答
I have a matrix with 161*2 with one column as distance to say x- axis and y- axis to be corresponding height. But I would like to scale the x-axis to 10000 points and I want particular height at a particular distance?
Hi Use find function as long as you specific what you want by searching intended variable, either X or y column; note that any ...

9 years 前 | 0

已回答
how i can convert a matrix to a adjacency matrix
Adjacency matrix is characterised by its squared indexes (row X column) the same. It seem you have only two character from your ...

9 years 前 | 1

已回答
Related to the memory and execution time calculation for any model in MATLAB 2013a and CCS v5.5
For in case of execution time for Maltab is normally introducing tic at intended location initial or middle and toc function at ...

9 years 前 | 0

已回答
Finding a value in a column from a change in another column in a matrix?
Hi Use for in association with find function looking exact Nii_Ni=0.0001; note the last and first N need some manipulation, thi...

9 years 前 | 0

已回答
how to use if else of for loops to manipulate matrices
For can assist you in searching each index in sequence order through find function as long you know/specify appropriate conditio...

9 years 前 | 0

已回答
I need help with defining while loops?
Your increment is missing which support to allow application of while. Both if and else are inner within wile loop as well as to...

9 years 前 | 0

已回答
In an assignment A(I) = B, the number of elements in B and I must be the same.
A1=[]; >> for i=1:2; i=i A1(1,1)=i.*-1 A1(1,2)=1 %k==i, you mean that A1=[A1; []] % or you mean this A1' end

9 years 前 | 0

已回答
How to solve "Index exceeds matrix dimensions" error?
Hi It might need to recalling as ready reduced the row, thus try this: StayCell=StayCell for i=1:size(StayCell,1) if StayC...

9 years 前 | 0

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已回答
inner matrix must agree using *
Hi, it might be A= poly(1j.*wc.*exp((1j.*pi)./((2.*k)*(2.*k-1))))

9 years 前 | 0

已回答
Base station location optimisation-matlab
Hi visting www.yarpiz.com or search and modify * _SPEA2_*, it play alot in optimisation; note that: % Copyright (c) 2...

9 years 前 | 0

提问


Adjacency mathematical model code which could simplify entering 1 or 0 in adjacency matrix, assume in the environment of million nodes
Hi matlab community Do we have any coded adjacency mathematical model which could simplify entering 1 or 0 in adjacency matrix...

9 years 前 | 0 个回答 | 0

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已回答
How to pass control from one loop to the other loop
try this for n=1:100000 if(find(sample(:)==0.01,1)=<find(sample(:)==0.01,2)) % sample is your data num=-1*sa...

9 years 前 | 0

已回答
Infinite while loop for iterating data
Hi you data MM not involved and should be called for execution MM=[] % being known as first matrix I think for i = 1:lengt...

9 years 前 | 0

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