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# Firan Lucian

##### Last seen: Today
10 total contributions since 2019

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mat2str() on complex values with 0 inaginary part
~isreal(complex(5,0)) ans = logical 1 ~isreal(5) ans = logical 0

Question

Trigonometric functions pi independent support, accurately, atanpi, asinpi, ...
Hi, While in R2018b these functions are supported: sinpi Compute sin(X*pi) accurately cospi Compute cos(X*pi) accurately Ot...

### 1

Question

mat2str() on complex values with 0 inaginary part
Hi, Tried mat2str(complex(5,6)) witch seems ok: ans = '5+6i' But other complex values with imaginary part 0 or 0+0i ar...

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Question

Function implementation for monotony check
Is there a build-in MATLAB function (way) that calculates one function implementation monotony against a true (correct, golden, ...

mer än ett år ago | 1 answer | 0

### 1

Question

ULP measurement implementation and flavors
There is a build in MATLAB implementation for float difference in ULP ? u = abs(A-B) / (abs(B) * eps(B)) https://www.mathwor...

mer än ett år ago | 0 answers | 1

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Question

Get next or prior single precision value MATLAB function ?
Is there a MATLAB function for next or prior float32 number ? (similar to nextafterf, nexttowardf or float_next, float_prior) ...

mer än ett år ago | 1 answer | 0

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Question

Is there a way to check some processing flags for complex algorithms with multiple calculations if overflow, underflow occurred in processing ?
Is there a way to check some processing flags for complex algorithms with multiple calculations if overflow, underflow occurred ...

nästan 2 år ago | 1 answer | 0

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How can I generate random single precision (float32) numbers ?
Using bitwise operations: >> rand_SP_real init 00000000000000000000000000000000 gen exponent 00010101 bit...

nästan 2 år ago | 0

Question

Meaningful absolute difference for error calculation, absolute forward error.
Looking at a function f(x) and reference function ref_f(x) considered to be true (golden sample, the reference) As definition t...

nästan 2 år ago | 0 answers | 0