• CMSIS Matrix inverse returns singular for nonsingular matrices
    Hi I have been testing the CMSIS DSP matrix inverse function and am observing unexpected results. In particular, the function arm_mat_inverse_f32 returns ARM_MATH_SINGULAR for matrices that are clearly...
  • Why the CMSIS DSP Matrix Multiplication outputs 0 after few iterations?
    Hi. I am using the CMSIS DSP library for multiplying two matrices on the keil mcb 1800 board using MCU Xpresso IDE. I am using the external SDRAM of 16 MB for storing the result. Matrix "xmat" is...
  • Inverse relation between the amount of span and forum value
    Why isn't anything serious being done?
  • CMSIS, DSP
    Hi, I am trying to design the butterworth filter using CMSIS library in cortex-M4 processor.. i know how to do it in MATLAB(and even fdatool), but i don't know anything about CMSIS library.. i saw the...
  • cmsis dsp
    Note: This was originally posted on 6th March 2013 at http://forums.arm.com i am trying to add cmsis dsp library in ngx audio example lpc4330 explorer board. i include arm_math.h it gives error i dont...