function testNegative() { /*{{{*/ $tmp = Math_ComplexOp::negative($this->cnum1); $this->assertEquals('-0.3 - 0.5i', $tmp->toString()); }
/** * Returns the difference of two complex numbers: z = c1 - c2 * * @param Math_Complex $c1 * @param Math_Complex $c2 * @return Math_Complex A valid Math_Complex number on success * @throws InvalidArgumentException */ public static function sub(Math_Complex $c1, Math_Complex $c2) { $nc2 = Math_ComplexOp::negative($c2); return Math_ComplexOp::add($c1, $nc2); }
echo "im = {$im}i\n"; $z = Math_ComplexOp::createFromPolar(0.022, -0.223); echo "from polar, z = " . $z->toString() . "\n"; $z = Math_ComplexOp::sqrt($a); echo "sqrt(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sqrtReal(-2.3); echo "sqrtReal(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::exp($a); echo "exp(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::log($a); echo "log(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::log10($a); echo "log10(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::conjugate($a); echo "conjugate(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::negative($a); echo "negative(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::inverse($a); echo "inverse(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sin($a); echo "sin(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::cos($a); echo "cos(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::tan($a); echo "tan(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sec($a); echo "sec(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::csc($a); echo "csc(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::cot($a); echo "cot(a) = " . $z->toString() . "\n";